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Gas Venting Dampers, GVD Models - Field Controls
Field Controls gas vent dampers (GVD) are made of stainless steel and is available in 8 sizes, 4″ through 10″ and 12″. Dual safety switches allow the burner to fire only when the damper is in the open position.
Residential Gas (UEF) - Hot Water
High Efficiency Non-Condensing Ultra-Low NOx Power Vent: GPNH-40 GPNH-50: AOSRG45810: High Efficiency Non-Condensing Automatic Flue Damper: GCD-40 GCD-50: AOSRG45020: High Efficiency Non-Condensing Flue Damper: GCF-40 GCF-50 GCFL-40 GCFL-50: AOSRG45250: Non-Condensing Power Vent: GPVL-40 GPVT-40 GPVL-50 GPVT-50 GPVX-50L GPVX-75L: AOSRG45601
Install 100% lockup gas pressure regulator in supply line for Use two wrenches when tightening gas WARNING each boiler if inlet pressure exceeds 14 inches w.c. (3.5 kPa). piping at boiler (FIG. 6-2), using one wrench to prevent the boiler gas line Gas valves used on Crest boilers are rated for at least 27 connection from turning.
Draft - Field Controls
Gas-fired furnaces and boilers generally require a double-acting draft control. Like a single-acting control, it opens inwardly to maintain a uniform draft. But, unlike a single-acting control, it is also free to open outwardly to spill the products of combustion, in case of blocked flues or downdrafts.
Residential Gas - Hot Water
Family Model Manual; ProLine® Atomspheric Vent Mobile Home FMHR-30 FMHR-40: 100261063: ProLine® Direct Vent Mobile Home FMDV-30-250 FMDV-40-250 FMDV-50-250 : 100291750: ProLine® FVIR Gas Water Heater NAECA III 100264193: ProLine® Canada FVIR Use and Care Guide 100264035[PDF]
HS26-060-1P GCS16-090-350-2Y - Lennox
to Lennox in regard to repair parts, literature, wiring diagrams, etc. Use of proper unit identification numbers and serial numbers will greatly help in GWB Gas fired hot water boiler GSB Gas fired steam boiler LRDG Gas fired rooftop duct furnace (horiz., gravity vent) LRDV Gas fired rooftop duct furnace (horiz., power vent)
Water Heater Technical Bulletins - Rheem Manufacturing
1312 – Residential Electric Wiring Diagrams 1312 Technical Bulletin ABSTRACT: Wiring diagrams for single and double element heaters, 20 – 120 gallon capacities. This diagram is from the Residential Electric Use and Care Manual AP 9029
Lennox Serial Number Nomenclature | Furnace | Air Conditioning
3. 1 Model Numbering Systems. Introduction All Lennox product is set up with a systematic coding system for both model numbers and serial numbers. Unit model number (including any dash numbers) and serial number must always be used when referring a problem to Lennox in regard to repair parts, literature, wiring diagrams, etc. Use of proper unit identification numbers and serial numbers will
Thermostat - Wikipedia
The illustration is the interior of a common two wire heat-only household thermostat, used to regulate a gas-fired heater via an electric gas valvelar mechanisms may also be used to control oil furnaces, boilers, boiler zone valves, electric attic fans, electric furnaces, electric baseboard heaters, and household appliances such as refrigerators, coffee pots and hair dryers.

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