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Selecting an Immersion Heater
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Flange-Mount Immersion Heaters for Water
Bolt these heaters to a matching flange welded on a container wall. They make direct liquid contact for fast and efficient heating. All accept a temperature switch with a 3/8” dia. probe (sold separately) to regulate heat output. The heating element is Incoloy for excellent corrosion resistance.
Note: Fully immerse the heating element to prevent heater failure.
Heating Element | Flange | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wattage, W | Watt Density, W/sq. in. | Current, A  | Lg. | Wd. | No. of | Pipe Size | OD | Bolt Circle | Bolt Hole Dia. | No. of Bolt Holes | Wire Connection Type | Each | |
Incoloy Heating Element with Steel Body | |||||||||||||
480V AC, Three Phase | |||||||||||||
| 6,000 | 48 | 7.2 | 18 1/16" | 2 1/2" | 3 | 3 | 7 1/2" | 6" | 3/4" | 4 | Screw Terminals | 000000000 | 000000000 |
| 12,000 | 46 | 14.5 | 33 1/16" | 2 3/4" | 3 | 3 | 7 1/2" | 6" | 3/4" | 4 | Screw Terminals | 000000000 | 00000000 |
| 12,000 | 48 | 14.5 | 18 1/16" | 4 5/8" | 6 | 5 | 10" | 8 1/2" | 7/8" | 8 | Screw Terminals | 000000000 | 00000000 |
| 18,000 | 46 | 21.7 | 48 1/16" | 2 3/4" | 3 | 3 | 7 1/2" | 6" | 3/4" | 4 | Screw Terminals | 000000000 | 00000000 |
| 24,000 | 46 | 29 | 33 1/16" | 4 5/8" | 6 | 5 | 10" | 8 1/2" | 7/8" | 8 | Screw Terminals | 000000000 | 00000000 |
| 40,000 | 47 | 48.2 | 52" | 4 5/8" | 6 | 5 | 10" | 8 1/2" | 7/8" | 8 | Screw Terminals | 000000000 | 00000000 |
Bolt-On Immersion Heaters with Overheat Protection for Chemical Solutions
With One Heating Element and Adjustable Thermostat
With One Heating Element
With Three Heating Elements
5-15
A replaceable fuse cuts off power if the heating element reaches 190° F to prevent burnout and premature failure. Bolt the flange to the top of containers. Heaters make direct liquid contact for fast and efficient heating. The heating element is 304 stainless steel for good resistance to harsh chemicals.
Heaters without temperature control require a temperature switch or controller (sold separately) to regulate heat output.
Heaters with an adjustable thermostat automatically turn on when the temperature drops below the set temperature and off when it rises above the set temperature. Adjust the set temperature with the digital keypad.
Optional 329° F fuse (sold separately) cuts off power if the heating element reaches 329° F.
Note: Immerse the heating element in liquid up to at least the minimum coverage level to prevent heater failure.
Heating Element | Flange Bolt Hole | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wattage, W | Watt Density, W/sq. in. | Current, A | Lg. | Wd. | No. of | Min. Coverage | NEMA Style | Wire Lead Lg. | Dia. | No. of | For Use With | Each | |
Without Temperature Control—304 Stainless Steel Heating Element and 304 Stainless Steel Body | |||||||||||||
120V AC, Single Phase | |||||||||||||
| 1,000 | 35 | 8.3 | 11" | 1 1/4" | 1 | 9" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 0000000 |
240V AC, Single Phase | |||||||||||||
| 1,000 | 35 | 4.2 | 11" | 1 1/4" | 1 | 9" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 000000 |
| 2,000 | 35 | 8.3 | 17" | 2" | 1 | 12" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 000000 |
| 3,000 | 35 | 12.5 | 22" | 2" | 1 | 16" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 000000 |
| 4,000 | 35 | 16.7 | 29" | 2" | 1 | 21" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 000000 |
| 6,000 | 35 | 25 | 38" | 2" | 1 | 30" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 000000 |
| 9,000 | 35 | 37.5 | 51" | 2" | 1 | 43" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 000000 |
240V AC, Three Phase | |||||||||||||
| 3,000 | 35 | 7.3 | 11" | 1 1/4" | 3 | 9" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 00000000 | 000000 |
| 6,000 | 35 | 14.5 | 17" | 2" | 3 | 12" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 000000 |
| 9,000 | 35 | 21.7 | 22" | 2" | 3 | 16" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 00000000 |
| 12,000 | 35 | 29 | 29" | 2" | 3 | 21" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 00000000 |
| 18,000 | 35 | 43.4 | 38" | 2" | 3 | 30" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 00000000 |
| 24,000 | 35 | 65.1 | 51" | 2" | 3 | 43" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 00000000 |
480V AC, Single Phase | |||||||||||||
| 2,000 | 35 | 4.2 | 17" | 2" | 1 | 12" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 000000 |
| 3,000 | 35 | 6.3 | 22" | 2" | 1 | 16" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 000000 |
| 4,000 | 35 | 8.3 | 29" | 2" | 1 | 21" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 000000 |
| 6,000 | 35 | 12.5 | 38" | 2" | 1 | 30" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 000000 |
| 9,000 | 35 | 18.8 | 51" | 2" | 1 | 43" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 000000 |
480V AC, Three Phase | |||||||||||||
| 6,000 | 35 | 7.3 | 17" | 2" | 3 | 12" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 000000 |
| 9,000 | 35 | 10.9 | 22" | 2" | 3 | 16" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 00000000 |
| 12,000 | 35 | 14.5 | 29" | 2" | 3 | 21" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 00000000 |
| 18,000 | 35 | 21.7 | 38" | 2" | 3 | 30" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 00000000 |
| 27,000 | 35 | 32.6 | 51" | 2" | 3 | 43" | __ | 48" | 1/4" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 000000000 | 00000000 |
With Adjustable Thermostat (32° to 302° F)—304 Stainless Steel Heating Element and 304 Stainless Steel Body | |||||||||||||
120V AC, Single Phase | |||||||||||||
| 500 | 35 | 4.2 | 11" | 1 1/4" | 1 | 9" | 5-15 | __ | 1/2" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 0000000 | 000000 |
| 1,000 | 35 | 8.3 | 11" | 1 1/4" | 1 | 9" | 5-15 | __ | 1/2" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 0000000 | 000000 |
| 1,500 | 17 | 12.5 | 28" | 2" | 1 | 12" | 5-15 | __ | 1/2" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 0000000 | 000000 |
| 1,500 | 35 | 12.5 | 17" | 2" | 1 | 12" | 5-15 | __ | 1/2" | 2 | Ammonium Hydroxide (0-3%) Ammonium Hydroxide (3-6%) Deionized Water Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Nitric Acid (0-3%) Nitric Acid (3-6%) Phosphoric Acid (0-3%) Phosphoric Acid (3-6%) Propylene Glycol Salt Water Soap Solutions Sodium Hydroxide (0-3%) Sodium Hydroxide (3-6%) Water | 0000000 | 000000 |
Heating Elements for Electric Water Heaters
With Flange Connection
With Flange Connection
Heating Element | Flange | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wattage, W | Current, A | For Min. Tank Dia. | Wd. | Material | Ht. | Wd. | Material | Overall Lg. | Mount. Fasteners Included | Mount. Hole Dia. | No. of Mount. Holes | Includes | Each | |
120V AC Phase, Single | ||||||||||||||
| 1,500 | 12.5 | 8 1/2" | 1" | Copper | 2 1/2" | 2 1/2" | Steel | 8" | No | 3/8" | 4 | Gaskets | 00000000 | 000000 |
240V AC Phase, Single | ||||||||||||||
| 4,500 | 18.75 | 12" | 1" | Copper | 2 1/2" | 2 1/2" | Steel | 12" | No | 3/8" | 4 | Gaskets | 00000000 | 00000 |
| 5,500 | 22.92 | 12" | 1" | Copper | 2 1/2" | 2 1/2" | Steel | 12" | No | 3/8" | 4 | Gaskets | 00000000 | 00000 |
Wall-Mount Small-Space Electric Heaters
Save floor space when heating offices, workstations, and other small spaces. These heaters have a built-in thermostat and recess mount into a wall. Optional mounting frames (sold separately) allow you to surface mount the heater.
When operating dual-voltage heaters at the lower voltage, maximum area heated and heat output are reduced by 25%.
Heaters | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Overall | Housing | Optional Mounting Frames | ||||||||||||
| Heat Output, Btu/hr. | Max. Area Heated @ Temperature Change | Airflow, cfm | Wattage, W | Current, A | Ht. | Wd. | Dp. | Material | Color | Temperature Setting, °F | Each | Each | ||
120V AC, Single Phase—Wire Leads | ||||||||||||||
| 5,100 | 680 cu. ft. @ 10° F 340 cu. ft. @ 20° F 220 cu. ft. @ 30° F 170 cu. ft. @ 40° F | 50 | 1,500 | 12.5 | 12 1/4" | 10 5/8" | 4 3/4" | Painted Steel | White | 40° to 130° | 0000000 | 0000000 | 0000000 | 000000 |
208V AC/240V AC, Single Phase—Wire Leads | ||||||||||||||
| 6,800 | 900 cu. ft. @ 10° F 450 cu. ft. @ 20° F 300 cu. ft. @ 30° F 220 cu. ft. @ 40° F | 50 | 2,000 | 8.3 | 12 1/4" | 10 5/8" | 4 3/4" | Painted Steel | White | 40° to 130° | 0000000 | 000000 | 0000000 | 00000 |
Recess-Mount Baseboard Small-Space Electric Heaters
Also known as toe kick or kick space heaters, these heaters are designed to recess mount under counters and cabinets. Use in offices and other small spaces. The thermostat is included.
When operating the 208V AC/240V AC heater at 208 volts AC, maximum area heated and heat output are reduced by 25%.
Overall | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Heat Output, Btu/hr. | Max. Area Heated @ Temperature Change | Airflow, cfm | Wattage, W | Current, A | Ht. | Wd. | Dp. | Housing Material | Grille Color | Temperature Setting, °F | Each | |
120V AC, Single Phase—Wire Leads | ||||||||||||
| 5,100 | 680 cu. ft. @ 10° F 340 cu. ft. @ 20° F 220 cu. ft. @ 30° F 170 cu. ft. @ 40° F | 70 | 1,500 | 12.5 | 4" | 15" | 8" | Galvanized Steel | White | 45° to 80° | 00000000 | 0000000 |
208V AC/240V AC, Single Phase—Wire Leads | ||||||||||||
| 5,100 | 680 cu. ft. @ 10° F 340 cu. ft. @ 20° F 220 cu. ft. @ 30° F 170 cu. ft. @ 40° F | 70 | 1,500 | 6.3 | 4" | 15" | 8" | Galvanized Steel | White | 45° to 80° | 00000000 | 000000 |