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2020-8-11 · or Split-Assembled (6-12 sections) > Boiler Reset Control with Low Water Cut-off for ... provided for the cast iron sections of residential steam boilers and commercial hot water and steam boilers. ... *Draft hood outlet and vent damper are 7' diameter …
Get Price1 ton mobile natural gas fired boiler systems manufacturers. Top Boilers Suppliers and Manufacturers in the USA. Company Summaries. Hurst Boiler and Welding Company in Coolidge GA manufactures vertical tubed low emission hybrid condensing solid fuel and waste biomass wood coal gas and oil-fired steam and hot water boilers.It also provides skid package boiler systems parts and service.
Get PriceSymptoms: Aggressive localized boiler tube corrosion and loss of tube wall.Pits can act as stress-concentration sites which can be initiation points for stress-related corrosion mechanisms. Causes: Oxygen pitting occurs with the presence of excessive oxygen in boiler water.It can occur during operation as a result of in-leakage of air at pumps, or failure in operation of preboiler water ...
Get Price2019-6-27 · 2. Block the flue pipe above the draft control, draft hood or draft diverter. 3. Re-establish gas supply to appliance and re-light pilot (if required). 4. Adjust thermostat to call for heat. 5. Flue gases should be emitting from draft control, draft diverter or draft hood. Note the …
Get Price2020-5-20 · ' Horizontal collector hood installed. See page 15. 3. These parts may be on boiler: ' Supply and return piping installed. See pages 16 -20.' Gas control assembly' Compression tank piping' Pilot line tubing 4.These parts must be off boiler: ' Horizontal draft hood' Relief valves ' Combination Pressure-Temperature gauge' Steam or water gauges
Get PriceUTICA BOILERS - 2892PEG61870310, PEG618703100510, The PEG E series offers a classic low profile design in seven sizes from 75 MBH to 299 MBH with up to 83.4% AFUE. The PEG E features a 1-piece, easy to remove front panel which conceals the electronic ignition control. The unit features a dependable cast iron heat exchanger and cast iron push nipples for greater longevity.
Get Price2020-4-29 · of the boiler as close to the draft hood as practicable, and with-out modification of the draft hood (see figures 3 through 7). • The inlet size of the vent damper must be the same nominal trade size as the outlet of the draft hood. See Table 1 for the boiler models and their corresponding vent damper models. • Th ed v icmu s tb l oang y r f
Get Price2021-8-27 · When a boiler system is heating efficiently, it can be a great way to warm your home in Buffalo. But when you have a boiler breakdown, it can be a hassle to fix alone. When you need boiler service, boiler repair, boiler replacement or boiler installation, Sunbeam Service Experts has you covered. We also can service any type of boiler.
Get Price2019-9-4 · alve (steam only) Draft Hood (boiler only) Electronic Controls (if part of Exception: original design) Fan & Limit Control Flame Sensor *As part of this Plan, only the part controlling the living area zone will be repaired and/or replaced. B.TER
Get PriceA draft diverter, or draft hood, plays a vital role in the operation of a combustion chamber, such as a fireplace or furnace. The draft diverter, which consists of a baffle plate positioned directly above the primary flue, regulates the direction and amount of air flowing in and out of the burner.
Get PriceSymptoms: Aggressive localized boiler tube corrosion and loss of tube wall.Pits can act as stress-concentration sites which can be initiation points for stress-related corrosion mechanisms. Causes: Oxygen pitting occurs with the presence of excessive oxygen in boiler water.It can occur during operation as a result of in-leakage of air at pumps, or failure in operation of preboiler water ...
Get PriceHood Systems, Fire Suppression; Storage & Handling Equipment; ... Steamer Model Steamcraft Ultra Steam Convection Steamer Steamer W Stand Steamer With Stand Restaurant Steamer Gas Steamer Oven Steam Food Warmer Gas Steam Table Countertop Convection Steamer Vulcan Steamer Bay Steam Table Hobart Steamer Duke Steam Table Accutemp Steam Counter Top ...
Get PriceOverview. Fitted to the top of a vent pipe, dissipates the velocity of vapour ejected to atmosphere. Separates out condensate. Vents flash steam safely without overspray. Stainless steel, allowing you to fit and forget. Product Brochure. Technical Documentation.
Get Price2020-11-24 · Boilers, Fuel & Related Equipment. Boilers: Steam was supplied by 24 Yarrow Small Tube 3 Drum Boilers, which burned oil fuel. There were six of these boilers in each of the four boiler rooms. The working pressure was 235 lbs psi, and the heating surface per boiler was 7,290 feet². These required extensive and frequent cleaning to remove scaling.
Get Price2020-8-11 · or Split-Assembled (6-12 sections) > Boiler Reset Control with Low Water Cut-off for ... provided for the cast iron sections of residential steam boilers and commercial hot water and steam boilers. ... *Draft hood outlet and vent damper are 7' diameter …
Get Price2020-4-29 · of the boiler as close to the draft hood as practicable, and with-out modification of the draft hood (see figures 3 through 7). • The inlet size of the vent damper must be the same nominal trade size as the outlet of the draft hood. See Table 1 for the boiler models and their corresponding vent damper models. • Th ed v icmu s tb l oang y r f
Get Price2021-9-2 · DXL Series. Dunkirk's DXL Series of gas-fired hot-water boilers have an advanced Fuel Smart Hydrostat Control and offers up to 83.5% AFUE. Energy saving features include the electronic ignition system and motorized vent damper to reduce your heating costs. Features a dependable cast iron heat exchanger with cast iron push nipple connections.
Get Price2021-7-22 · Chicago Steam & Hydronics was established in March of 2020 with the vision to provide technical expertise and high-quality products for the steam and hydronics industry in the Chicagoland market. Our manufacturing partners included Shipco, Tunstall, and Macon for the boiler …
Get PriceA listed unit heater shall be installed with clearances from combustible material of not less than 18 inches (457 mm) at the sides, 12 inches (305 mm) at the bottom, and 6 inches (152 mm) above the top where the unit heater has an internal draft hood or 1 inch (25.4 mm) above the top of the sloping side of a vertical draft hood.
Get PriceA draft diverter, or draft hood, plays a vital role in the operation of a combustion chamber, such as a fireplace or furnace. The draft diverter, which consists of a baffle plate positioned directly above the primary flue, regulates the direction and amount of air flowing in and out of the burner.
Get PriceDO NOT attach the draft hood of a wall-mounted heating boiler directly to the chimney vent in the wall, as it must be attached at least 30 cm below the chimney vent. The lower the unit is mounted compared to the chimney vent, the better; as this increased distance between the heating unit and chimney, vent enhances the ventilation power and the ...
Get Price2019-9-20 · Hood contribution. Typical Energy Split • 40 to 50% Yankee cylinder • 50% to 60% Yankee hood Upper Limits Steel Yankee cylinders: • R w steam = ± 15 lbs H 2O/hr/ft2 High Temperature Yankee Hoods: • R. w. hood up to 30 lbs H. 2. O/hr/ft. 2 • The drying split becomes; • 66% hood 33% cylinder . Drying split: Yankee Cylinder vs ...
Get Price2021-8-25 · The WPSB Series 3 features an Integral Draft Hood and Vent Damper, reducing the overall height and making the unit ideal for low clearance/space limited installations. The compact footprint and Cast to Last 20 Year Non-Prorated Limited Warranty make the WPSB Series 3 an excellent choice for residential applications.
Get Price2021-9-1 · The JE Steam Series is available in 300 to 1,500 MBH and is an ideal heating solution for apartment buildings, schools, churches, offices and manufacturing facilities. Features JE Series Boiler Bases are pre-assembled at the factory with burner manifold, burner orifices, gas valves and electronic ignition installed, ready for field installation ...
Get PriceSteam Injection, Electric, Clean Steam, and Gas Fired Humidifiers. Grow Room Dehumidification Equipment. Direct-fired Gas, Indirect-fired Gas, Electric, Steam, Hot water Heating and Air make-up units. Copper-Fin Atmospheric, Forced Draft High Efficiency Hot Water, & Steam Boilers. Dehumidification, Temperature, and Air Quality for Natatoriums.
Get Price2020-5-20 · ' Horizontal collector hood installed. See page 15. 3. These parts may be on boiler: ' Supply and return piping installed. See pages 16 -20.' Gas control assembly' Compression tank piping' Pilot line tubing 4.These parts must be off boiler: ' Horizontal draft hood' Relief valves ' Combination Pressure-Temperature gauge' Steam or water gauges
Get PriceShop for residential gas boilers from Carrier Enterprise (CE) - a globally trusted HVAC/R distribution company. ... Cast Orin Sections, Integral Draft, Field-Installed Draft Hood, Titanium Composite Burners, Insulated Casing, ... 80% AFUE 150000 Btuh Gas-Fired Steam Boiler . Item: BS2AAN000150 ...
Get PriceBoiler Features. Hybrid Metal Heat Exchanger - The Mini-Therm uses a heat exchanger comprised of both cast iron and copper. Cast iron 'wet walls' add durability to the heat exchanger's construction while copper tubes facilitate high levels of heat transfer. Automatic Draft Hood -The JVS Mini-Therm comes with an automatic draft hood.
Get PriceOEM Boiler Parts. Gasket DWH Heat Exchanger for Endurance EBP Series Space/Water Heat... Control Module MCBA Programmed for Freedom FCM090 and FCM120 Boiler... Gasket Venturi Gas Valve Venturi for High Efficiency Condensing Gas... Gasket Heat Exchanger Top Part OSS1 for High Efficiency Condensing ... Gasket Heat Exchanger Top Part OSS2 for High ...
Get Price2021-8-30 · Non-condensing boiler is less complex (minimal computer technology, less parts) so therefore would be cheaper to maintain and have a longer life-span. Condensing boiler will save ~20% on my gas bill (~$300 savings annually). Cost of condensing boiler and installation is ~$4500 more then a non-condensing boiler, which is a 15 year payback.
Get PriceBoiler Features. Hybrid Metal Heat Exchanger - The Mini-Therm uses a heat exchanger comprised of both cast iron and copper. Cast iron 'wet walls' add durability to the heat exchanger's construction while copper tubes facilitate high levels of heat transfer. Automatic Draft Hood -The JVS Mini-Therm comes with an automatic draft hood.
Get Price2021-9-3 · The Pennco FSB Series 3 now features a Honeywell High Limit/Electronic Ignition Control. The control is recessed under the boiler's protective jacket and features a digital temperature display and diagnostics; plus a plug in connection for the inducer fan and a plug in connection for the system pump. This control monitors the water temperature and delays the burner starting until residual heat ...
Get PricePeerless 6407006 64-07 64 Series Semi-Commercial Natural Gas Steam Boiler, 345,000 BTU, 82.5% AFUE, Natural Draft The gas-fired, cast iron Series 64 boiler is an atmospheric, steam or hot water boiler with up to 83% combustion efficiency.
Get Price2021-9-1 · The Pennco 15B Series II now features an integrated Hi-Limit Control, Vent Damper Control and Intermittent Spark Control housed under a protective cover. The 15B Series II features a robust cast iron heat exchanger for longevity and is available in a full range of …
Get Price2019-9-4 · alve (steam only) Draft Hood (boiler only) Electronic Controls (if part of Exception: original design) Fan & Limit Control Flame Sensor *As part of this Plan, only the part controlling the living area zone will be repaired and/or replaced. B.TER
Get Price2013-3-29 · hood. The hood prevents steam from building up in the sugarhouse, and foreign material from entering sap and syrup pans. The use of oil fuel guns, gas pressure nozzles, and improved in- sulating materials has also helped increase ef- ficiency. An innovation that increases the efficiency of conventional evaporators significantly is the
Get Price2020-12-29 · Boiler Condenser Extractor Hood Hose reel Light Water Station Combustion Chamber Silencer Thin-Film Evaporator Vent Air-blown Cooler Induced Flow Air Cooler Hairpin Exchanger Dryer Fluidized Bed Dryer Roller Conveyor Belt Dryer Motor Generator Generator Drying Oven Heat Consumer Spray Dryer Moving Shelf Dryer Crossflow Inducted Draft Packed ...
Get Price2021-5-11 · 23 2213 steam piping . 23 2216 steam piping specialties . 23 2300 refrigerant piping . 23 2500 pipe cleaning, flushing, and chemical treatment . 23 3114 ductwork . 23 3314 ductwork specialties . 23 3400 fans . 23 3600 air terminal devices . 23 4114 filters . 23 5214 primary heating equipment . 23 6423 screw water chillers . 23 6500 cooling towers
Get Price2019-1-4 · 2. Block the flue pipe above the draft control, draft hood or draft diverter. 3. Re-establish gas supply to appliance and re-light pilot (if required). 4. Adjust thermostat to call for heat. 5. Flue gases should be emitting from draft control, draft diverter or draft hood. Note the …
Get Price2014-3-20 · • Exhaust hood/HEPA filter in the load and unload side • Loading and unloading environment should meet requirements of the process as well as local applicable regulations • Pit/Floor Mounting • Seismic • Rigging modifications ( split construction, doors, walls, turns, fixtures) • Wall Seals 34
Get PriceSymptoms: Aggressive localized boiler tube corrosion and loss of tube wall.Pits can act as stress-concentration sites which can be initiation points for stress-related corrosion mechanisms. Causes: Oxygen pitting occurs with the presence of excessive oxygen in boiler water.It can occur during operation as a result of in-leakage of air at pumps, or failure in operation of preboiler water ...
Get PriceHood Systems, Fire Suppression; Storage & Handling Equipment; ... Steamer Model Steamcraft Ultra Steam Convection Steamer Steamer W Stand Steamer With Stand Restaurant Steamer Gas Steamer Oven Steam Food Warmer Gas Steam Table Countertop Convection Steamer Vulcan Steamer Bay Steam Table Hobart Steamer Duke Steam Table Accutemp Steam Counter Top ...
Get PriceOverview. Fitted to the top of a vent pipe, dissipates the velocity of vapour ejected to atmosphere. Separates out condensate. Vents flash steam safely without overspray. Stainless steel, allowing you to fit and forget. Product Brochure. Technical Documentation.
Get Price2020-11-24 · Boilers, Fuel & Related Equipment. Boilers: Steam was supplied by 24 Yarrow Small Tube 3 Drum Boilers, which burned oil fuel. There were six of these boilers in each of the four boiler rooms. The working pressure was 235 lbs psi, and the heating surface per boiler was 7,290 feet². These required extensive and frequent cleaning to remove scaling.
Get Price2020-8-11 · or Split-Assembled (6-12 sections) > Boiler Reset Control with Low Water Cut-off for ... provided for the cast iron sections of residential steam boilers and commercial hot water and steam boilers. ... *Draft hood outlet and vent damper are 7' diameter …
Get Price2020-4-29 · of the boiler as close to the draft hood as practicable, and with-out modification of the draft hood (see figures 3 through 7). • The inlet size of the vent damper must be the same nominal trade size as the outlet of the draft hood. See Table 1 for the boiler models and their corresponding vent damper models. • Th ed v icmu s tb l oang y r f
Get Price2021-9-2 · DXL Series. Dunkirk's DXL Series of gas-fired hot-water boilers have an advanced Fuel Smart Hydrostat Control and offers up to 83.5% AFUE. Energy saving features include the electronic ignition system and motorized vent damper to reduce your heating costs. Features a dependable cast iron heat exchanger with cast iron push nipple connections.
Get Price2021-7-22 · Chicago Steam & Hydronics was established in March of 2020 with the vision to provide technical expertise and high-quality products for the steam and hydronics industry in the Chicagoland market. Our manufacturing partners included Shipco, Tunstall, and Macon for the boiler …
Get PriceA listed unit heater shall be installed with clearances from combustible material of not less than 18 inches (457 mm) at the sides, 12 inches (305 mm) at the bottom, and 6 inches (152 mm) above the top where the unit heater has an internal draft hood or 1 inch (25.4 mm) above the top of the sloping side of a vertical draft hood.
Get PriceA draft diverter, or draft hood, plays a vital role in the operation of a combustion chamber, such as a fireplace or furnace. The draft diverter, which consists of a baffle plate positioned directly above the primary flue, regulates the direction and amount of air flowing in and out of the burner.
Get PriceSymptoms: Aggressive localized boiler tube corrosion and loss of tube wall.Pits can act as stress-concentration sites which can be initiation points for stress-related corrosion mechanisms. Causes: Oxygen pitting occurs with the presence of excessive oxygen in boiler water.It can occur during operation as a result of in-leakage of air at pumps, or failure in operation of preboiler water ...
Get PriceHood Systems, Fire Suppression; Storage & Handling Equipment; ... Steamer Model Steamcraft Ultra Steam Convection Steamer Steamer W Stand Steamer With Stand Restaurant Steamer Gas Steamer Oven Steam Food Warmer Gas Steam Table Countertop Convection Steamer Vulcan Steamer Bay Steam Table Hobart Steamer Duke Steam Table Accutemp Steam Counter Top ...
Get PriceOverview. Fitted to the top of a vent pipe, dissipates the velocity of vapour ejected to atmosphere. Separates out condensate. Vents flash steam safely without overspray. Stainless steel, allowing you to fit and forget. Product Brochure. Technical Documentation.
Get Price2020-11-24 · Boilers, Fuel & Related Equipment. Boilers: Steam was supplied by 24 Yarrow Small Tube 3 Drum Boilers, which burned oil fuel. There were six of these boilers in each of the four boiler rooms. The working pressure was 235 lbs psi, and the heating surface per boiler was 7,290 feet². These required extensive and frequent cleaning to remove scaling.
Get Price2020-8-11 · or Split-Assembled (6-12 sections) > Boiler Reset Control with Low Water Cut-off for ... provided for the cast iron sections of residential steam boilers and commercial hot water and steam boilers. ... *Draft hood outlet and vent damper are 7' diameter …
Get Price2020-4-29 · of the boiler as close to the draft hood as practicable, and with-out modification of the draft hood (see figures 3 through 7). • The inlet size of the vent damper must be the same nominal trade size as the outlet of the draft hood. See Table 1 for the boiler models and their corresponding vent damper models. • Th ed v icmu s tb l oang y r f
Get Price2021-9-2 · DXL Series. Dunkirk's DXL Series of gas-fired hot-water boilers have an advanced Fuel Smart Hydrostat Control and offers up to 83.5% AFUE. Energy saving features include the electronic ignition system and motorized vent damper to reduce your heating costs. Features a dependable cast iron heat exchanger with cast iron push nipple connections.
Get Price2021-7-22 · Chicago Steam & Hydronics was established in March of 2020 with the vision to provide technical expertise and high-quality products for the steam and hydronics industry in the Chicagoland market. Our manufacturing partners included Shipco, Tunstall, and Macon for the boiler …
Get PriceA listed unit heater shall be installed with clearances from combustible material of not less than 18 inches (457 mm) at the sides, 12 inches (305 mm) at the bottom, and 6 inches (152 mm) above the top where the unit heater has an internal draft hood or 1 inch (25.4 mm) above the top of the sloping side of a vertical draft hood.
Get PriceA draft diverter, or draft hood, plays a vital role in the operation of a combustion chamber, such as a fireplace or furnace. The draft diverter, which consists of a baffle plate positioned directly above the primary flue, regulates the direction and amount of air flowing in and out of the burner.
Get PriceSymptoms: Aggressive localized boiler tube corrosion and loss of tube wall.Pits can act as stress-concentration sites which can be initiation points for stress-related corrosion mechanisms. Causes: Oxygen pitting occurs with the presence of excessive oxygen in boiler water.It can occur during operation as a result of in-leakage of air at pumps, or failure in operation of preboiler water ...
Get PriceHood Systems, Fire Suppression; Storage & Handling Equipment; ... Steamer Model Steamcraft Ultra Steam Convection Steamer Steamer W Stand Steamer With Stand Restaurant Steamer Gas Steamer Oven Steam Food Warmer Gas Steam Table Countertop Convection Steamer Vulcan Steamer Bay Steam Table Hobart Steamer Duke Steam Table Accutemp Steam Counter Top ...
Get PriceOverview. Fitted to the top of a vent pipe, dissipates the velocity of vapour ejected to atmosphere. Separates out condensate. Vents flash steam safely without overspray. Stainless steel, allowing you to fit and forget. Product Brochure. Technical Documentation.
Get Price2020-11-24 · Boilers, Fuel & Related Equipment. Boilers: Steam was supplied by 24 Yarrow Small Tube 3 Drum Boilers, which burned oil fuel. There were six of these boilers in each of the four boiler rooms. The working pressure was 235 lbs psi, and the heating surface per boiler was 7,290 feet². These required extensive and frequent cleaning to remove scaling.
Get Price2020-8-11 · or Split-Assembled (6-12 sections) > Boiler Reset Control with Low Water Cut-off for ... provided for the cast iron sections of residential steam boilers and commercial hot water and steam boilers. ... *Draft hood outlet and vent damper are 7' diameter on 63-04L and 63.04. These models are also certified
Get Price2020-4-29 · of the boiler as close to the draft hood as practicable, and with-out modification of the draft hood (see figures 3 through 7). • The inlet size of the vent damper must be the same nominal trade size as the outlet of the draft hood. See Table 1 for the boiler models and their corresponding vent damper models. • Th ed v icmu s tb l oang y r f
Get Price2021-9-2 · DXL Series. Dunkirk's DXL Series of gas-fired hot-water boilers have an advanced Fuel Smart Hydrostat Control and offers up to 83.5% AFUE. Energy saving features include the electronic ignition system and motorized vent damper to reduce your heating costs. Features a dependable cast iron heat exchanger with cast iron push nipple connections.
Get Price2021-7-22 · Chicago Steam & Hydronics was established in March of 2020 with the vision to provide technical expertise and high-quality products for the steam and hydronics industry in the Chicagoland market. Our manufacturing partners included Shipco, Tunstall, and Macon for the boiler room accessories.
Get PriceA listed unit heater shall be installed with clearances from combustible material of not less than 18 inches (457 mm) at the sides, 12 inches (305 mm) at the bottom, and 6 inches (152 mm) above the top where the unit heater has an internal draft hood or 1 inch (25.4 mm) above the top of the sloping side of a vertical draft hood.
Get PriceA draft diverter, or draft hood, plays a vital role in the operation of a combustion chamber, such as a fireplace or furnace. The draft diverter, which consists of a baffle plate positioned directly above the primary flue, regulates the direction and amount of air flowing in and out of the burner.
Get PriceRanges, Rangehood. La Germania H73.6 60cm Chimney Range Hood. Rated 4.00 out of 5. (1) Stainless steel with tempered glass visor. 3 speed push button control. 900 m3/h maximum air capacity. SKU: 108900160843. ₱ 14,340 ₱ 16,423.
Get PriceParts & Supplies. At Trane Supply, we have the parts and the knowledge to support all of your HVAC needs, no matter what system you are working on. You can rely on us to deliver a solution to meet your customers' needs, and to help you be more productive, profitable, and knowledgeable. Along with our technical expertise, we focus on providing ...
Get PriceRheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. * All pros listed are independent dealer-owned ...
Get Price2020-12-29 · Boiler Condenser Extractor Hood Hose reel Light Water Station Combustion Chamber Silencer Thin-Film Evaporator Vent Air-blown Cooler Induced Flow Air Cooler Hairpin Exchanger Dryer Fluidized Bed Dryer Roller Conveyor Belt Dryer Motor Generator Generator Drying Oven Heat Consumer Spray Dryer Moving Shelf Dryer Crossflow Inducted Draft Packed ...
Get PriceContact. 131 S. Church St, Bally, PA 19503 phone: 610-916-5380 email: [email protected]
Get PriceThermal Power Generation. The New York Blower Company offers a comprehensive range of products and services ideally suited for thermal power generation applications, both existing and new build. Nyb's wide variety of high-efficiency backward curved and airfoil impeller designs can be tailored to meet the demands of any installation.
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Get PriceChimney type cooker hood fitted flush to the ceiling. Measure and mark a point on the wall either side of cooker with a pencil at the correct height that you want your hood to be positioned at. In most cases you will be measuring up off of your worktop. This should be level but it's best to check.
Get Price2.07.2 Induced Draught Fans. An induced draught fan (ID fan) is provided to maintain a negative pressure in the furnace by sucking the products of combustion from it with a slight positive pressure at the discharge end vis-à-vis the bottom of the chimney/stack. This positive pressure, assisted by the stack effect of the heated chimney (∼120 ...
Get PriceTest for spillage at the draft hood. ... Each of the following is an 'operating control' on a boiler EXCEPT. a. Primary control b. Zone control c. Backflow preventer d. Isolating valve ... Which of the following IS NOT a common problem with a condensate collection system on a split system air conditioner? a. Condensate goes into a 3/4 inch ...
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