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About Heaters
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Choose the right heater type and range to warm spaces or people and objects efficiently.
Ceiling-Mount Large-Space Gas Heaters
 |  |  |
Style A | Style B | Style C |
Heaters | Ceiling-Mount Brackets | Wall-Mount Thermostats | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Inlet | Overall | ||||||||||||||||||||
Style | Heat Output, BTU/hr | Max. Space Heated @ Temp. Change | Airflow, ft³/min | Pipe Size | Thread Type | Gender | Current, amp | Max. Mounting Ht., ft. | Ht. | Wd. | Dp. | Req. Vent Dia. | Includes | Each | Pair | Each | |||||
Natural Gas Heaters | |||||||||||||||||||||
Electronic Spark Ignition—120V AC, Single Phase (Wire Leads) | |||||||||||||||||||||
| A | 36,000 | 4,800 cu. ft. @ 10° F 2,400 cu. ft. @ 20° F 1,600 cu. ft. @ 30° F 1,200 cu. ft. @ 40° F | 720 | 1/2 | NPT | Female | 3.7 | 10 | 13" | 27" | 22" | 3" | Mounting Bracket | 1736K132 | 000000000 | ——— | 0 | 17225K51 | 000000 | ||
| A | 80,000 | 10,660 cu. ft. @ 10° F 5,330 cu. ft. @ 20° F 3,550 cu. ft. @ 30° F 2,660 cu. ft. @ 40° F | 1,490 | 1/2 | NPT | Female | 4.7 | 12 | 21" | 36" | 31" | 4" | — | 1736K134 | 00000000 | 1736K45 | 0000000 | 17225K51 | 00000 | ||
| A | 100,000 | 13,330 cu. ft. @ 10° F 6,660 cu. ft. @ 20° F 4,440 cu. ft. @ 30° F 3,330 cu. ft. @ 40° F | 1,980 | 1/2 | NPT | Female | 4.2 | 16 | 21" | 36" | 31" | 4" | — | 1736K135 | 00000000 | 1736K45 | 000000 | 17225K51 | 00000 | ||
| B | 143,000 | 19,130 cu. ft. @ 10° F 9,560 cu. ft. @ 20° F 6,370 cu. ft. @ 30° F 4,780 cu. ft. @ 40° F | 2,720 | 1/2 | NPT | Female | 2.5 | 14 | 26" | 43" | 33" | 4" | — | 1736K251 | 00000000 | ——— | 0 | 17225K51 | 00000 | ||
| C | 200,000 | 26,660 cu. ft. @ 10° F 13,330 cu. ft. @ 20° F 8,880 cu. ft. @ 30° F 6,660 cu. ft. @ 40° F | 3,700 | 1/2 | NPT | Female | 7.7 | 19 | 41" | 26" | 35" | 6" | — | 1736K141 | 00000000 | ——— | 0 | 17225K51 | 00000 | ||
| C | 320,000 | 42,660 cu. ft. @ 10° F 21,330 cu. ft. @ 20° F 14,220 cu. ft. @ 30° F 10,660 cu. ft. @ 40° F | 5,440 | 3/4 | NPT | Female | 11.1 | 19 | 41" | 40" | 39" | 6" | — | 1736K242 | 00000000 | ——— | 0 | 17225K51 | 00000 | ||
Portable Large-Space Gas Heaters
 |  |  |
Style A | Style B | NEMA 5-15 |
Built for big jobs, these are powerful space heaters.
All have a safety shut-off that cuts the gas supply if the flame goes out.
Knob Control—On heaters controlled with a knob, turn the knob to adjust heat output.
Thermostat Control—Heaters with a built-in thermostat allow you to control the temperature.
Style A—Style A heaters use convection to circulate warm air. They have a pilot light ignition and do not require electricity.
Style B—Style B heaters have an electronic spark ignition and are good for drafty areas where a pilot light could be extinguished.
Inlet | Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Style | Heat Output, BTU/hr | Max. Space Heated @ Temp. Change | Airflow | Max. Fuel Consumption, ft³/hr | Pipe Size | Thread Type | Gender | Fitting Connection | Thread Type | For Tube OD | Current, amp | Cord Lg. | Ht. | Wd. | Dp. | Housing Material | Each | |||
Natural Gas Heaters with Knob | ||||||||||||||||||||
Pilot Light Ignition | ||||||||||||||||||||
| A | 100,000 | 13,300 cu. ft. @ 10° F 6,600 cu. ft. @ 20° F 4,400 cu. ft. @ 30° F 3,300 cu. ft. @ 40° F | Not Rated | 100 | — | — | Male | 37° Flared | UN/UNF (JIC) | 1/2" | — | — | 19" | 16" | 16" | Steel | 1738K21 | 0000000 | ||
Natural Gas Heaters with Thermostat (40° F to 105° F) | ||||||||||||||||||||
Electronic Spark Ignition—120V AC, Single Phase, Three-Blade Plug (5-15) | ||||||||||||||||||||
| B | 155,000 | 20,660 cu. ft. @ 10° F 10,330 cu. ft. @ 20° F 6,880 cu. ft. @ 30° F 5,160 cu. ft. @ 40° F | 625 ft³/min | 155 | 1/2 | NPT | Female | — | — | — | 2.1 | 4" | 16" | 9" | 24" | Steel | 1722K24 | 000000 | ||
Long-Range Ceiling-Mount Gas Radiant Heaters
Natural Gas Heaters with Pilot Light Ignition
 |  |
1 Burner | 2 Burners |
Heaters with a pilot light ignition do not require electricity.
2 Burners—Heaters with two burners allow for greater control over how much heat is generated—use one or both burners depending on your needs.
Heaters | Replacement Thermocouples | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Inlet | Overall | ||||||||||||||||||
Heat Output, BTU/hr | Max. Space Heated @ Temp. Change | No. of Burners | Max. Fuel Consumption, ft³/hr | Pipe Size | Thread Type | Gender | Max. Mounting Ht., ft. | Ht. | Wd. | Dp. | Housing Material | For Use Outdoors | Temp. Setting, ° F | Includes | Each | Each | |||
| 40,000 | 1,170 ft² @ 10° F 390 ft² @ 20° F 290 ft² @ 30° F 290 ft² @ 40° F | 1 | 40 | 3/4 | NPT | Female | 12 | 12" | 31" | 20" | Steel | No | 50 to 90 | Chain Hanging Kit, Wall-Mount Thermostat | 17855K16 | 0000000 | 17855K912 | 000000 | |
| 60,000 | 2,050 ft² @ 10° F 680 ft² @ 20° F 510 ft² @ 30° F 510 ft² @ 40° F | 1 | 60 | 3/4 | NPT | Female | 15 | 12" | 46" | 20" | Steel | No | 50 to 90 | Chain Hanging Kit, Wall-Mount Thermostat | 17855K18 | 000000 | 17855K912 | 00000 | |
| 100,000 | 2,930 ft² @ 10° F 980 ft² @ 20° F 730 ft² @ 30° F 730 ft² @ 40° F | 2 | 100 | 3/4 | NPT | Female | 28 | 11" | 61" | 22" | Steel | No | 50 to 90 | Chain Hanging Kit, Wall-Mount Thermostat | 17855K34 | 000000 | 17855K912 | 00000 | |
| 120,000 | 4,100 ft² @ 10° F 1,370 ft² @ 20° F 1,020 ft² @ 30° F 1,020 ft² @ 40° F | 2 | 120 | 3/4 | NPT | Female | 36 | 11" | 83" | 22" | Steel | No | 50 to 90 | Chain Hanging Kit, Wall-Mount Thermostat | 17855K48 | 00000000 | 17855K912 | 00000 | |
Natural Gas Heater with Electronic Spark Ignition—120V AC, Single Phase, Wire Leads
| |
1 Burner | 2 Burners |
Heaters with an electronic spark ignition are good for drafty areas where a pilot light could be extinguished.
2 Burners—Heaters with two burners allow for greater control over how much heat is generated—use one or both burners depending on your needs.
Heaters | Replacement Pilot Burners | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Inlet | Overall | ||||||||||||||||||
Heat Output, BTU/hr | Max. Space Heated @ Temp. Change | No. of Burners | Max. Fuel Consumption, ft³/hr | Pipe Size | Thread Type | Gender | Max. Mounting Ht., ft. | Ht. | Wd. | Dp. | Housing Material | For Use Outdoors | Temp. Setting, ° F | Includes | Each | Each | |||
| 40,000 | 1,170 ft² @ 10° F 390 ft² @ 20° F 290 ft² @ 30° F 290 ft² @ 40° F | 1 | 40 | 3/4 | NPT | Female | 12 | 12" | 31" | 20" | Steel | No | 50 to 90 | Chain Hanging Kit, Wall-Mount Thermostat | 17855K17 | 0000000 | 17855K974 | 000000 | |
| 60,000 | 2,050 ft² @ 10° F 680 ft² @ 20° F 510 ft² @ 30° F 510 ft² @ 40° F | 1 | 60 | 3/4 | NPT | Female | 15 | 12" | 46" | 20" | Steel | No | 50 to 90 | Chain Hanging Kit, Wall-Mount Thermostat | 17855K19 | 000000 | 17855K974 | 00000 | |
| 100,000 | 2,930 ft² @ 10° F 980 ft² @ 20° F 730 ft² @ 30° F 730 ft² @ 40° F | 2 | 100 | 3/4 | NPT | Female | 28 | 11" | 61" | 22" | Steel | No | 50 to 90 | Chain Hanging Kit, Wall-Mount Thermostat | 17855K36 | 000000 | 17855K95 | 00000 | |
| 120,000 | 4,100 ft² @ 10° F 1,370 ft² @ 20° F 1,020 ft² @ 30° F 1,020 ft² @ 40° F | 2 | 120 | 3/4 | NPT | Female | 36 | 11" | 83" | 22" | Steel | No | 50 to 90 | Chain Hanging Kit, Wall-Mount Thermostat | 17855K49 | 00000000 | 17855K95 | 00000 | |
Long-Range Portable Gas Radiant Heaters
Natural Gas Heaters with Pilot Light Ignition
 |  |
125,000 BTU/hr Heat Output | 212,000 BTU/hr Heat Output |
Heaters | Replacement Thermocouples | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Inlet | Overall | |||||||||||||||
Heat Output, BTU/hr | Max. Space Heated @ Temp. Change | Max. Fuel Consumption, ft³/hr | Pipe Size | Thread Type | Gender | Ht. | Wd. | Dp. | Dia. | Housing Material | For Use Outdoors | Each | Each | |||
| 125,000 | 3,660 ft² @ 10° F 1,830 ft² @ 20° F 1,220 ft² @ 30° F 910 ft² @ 40° F | 125 | 1/2 | NPT | Female | 35" | 15" | 15" | — | Steel | Yes | 1715K12 | 0000000 | 1719K12 | 000000 | |
| 212,000 | 6,210 ft² @ 10° F 3,100 ft² @ 20° F 2,070 ft² @ 30° F 1,550 ft² @ 40° F | 215 | 1/2 | NPT | Female | 50" | — | — | 18" | Steel | No | 1715K14 | 00000000 | 1715K32 | 00000 | |
Long-Range Wall-Mount Gas Radiant Heaters
Natural Gas Heaters with Pilot Light Ignition
 |
Inlet | Overall | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Heat Output, BTU/hr | Max. Space Heated @ Temp. Change | No. of Burners | Max. Fuel Consumption, ft³/hr | Pipe Size | Thread Type | Gender | Max. Mounting Ht., ft. | Ht. | Wd. | Dp. | Housing Material | For Use Outdoors | Temp. Setting, ° F | Includes | Each | ||
| 22,000 | 640 ft² @ 10° F 320 ft² @ 20° F 210 ft² @ 30° F 160 ft² @ 40° F | 1 | 25 | 1/2 | NPT | Female | 9 | 7" | 30" | 13" | Steel | No | 35 to 75 | Mounting Bracket, Wall-Mount Thermostat | 17855K37 | 0000000 | |
