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Heaters

Immersion, flanged, circulation, process-air, band, and floor heating for nearly every industrial and commercial application.

Anderson-Bolds supplies electric heaters from Watlow, Process Technology, BriskHeat, Q'Mark, Danfoss, and Convectronics — including immersion/screw-plug, flanged, and circulation heaters for liquids, process-air heaters, and electric floor/snow-melt systems. Most stock immersion heaters ship the same day, and our application engineers can size watt density to your tank and medium so the sheath doesn't scorch the fluid.

🔥Not sure which to pick? Use the Immersion Heater SizingSize the kW needed to heat a tank by volume, temperature rise, and time.→
All HeatersImmersion & Screw-PlugFlangedCirculationProcess AirBand & StripFloor & Snow-Melt
163 products · showing 1–48 · Clear filters
Sort:RelevancePrice: Low to HighPrice: High to LowName (A–Z)
AB 063693 — Chromalox MT-3120E4TP, Immersion Heater, 12 kw, 208 volts, Copper Elements, Nema 4 Encl.
Chromalox

Chromalox MT-3120E4TP, Immersion Heater, 12 kw, 208 volts, Copper Elements, Nema 4 Encl.

SKU: AB 063693
Stock confirmed at order — usually ships from stock
$1,043.90
AB 063706 — Chromalox MT-3120E4TP, Immersion Heater, 12 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.
Chromalox

Chromalox MT-3120E4TP, Immersion Heater, 12 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.

SKU: AB 063706
Stock confirmed at order — usually ships from stock
$1,043.90
AB 063757 — Chromalox MT-3150E4TP, Immersion Heater, 15 kw, 208 volts, Copper Elements, Nema 4 Encl.
Chromalox

Chromalox MT-3150E4TP, Immersion Heater, 15 kw, 208 volts, Copper Elements, Nema 4 Encl.

SKU: AB 063757
Stock confirmed at order — usually ships from stock
$1,098.90
AB 063765 — Chromalox MT-3150E4TP, Immersion Heater, 15 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.
Chromalox

Chromalox MT-3150E4TP, Immersion Heater, 15 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.

SKU: AB 063765
Stock confirmed at order — usually ships from stock
$1,098.90
AB 063810 — Chromalox MT-3180E4TP, Immersion Heater, 18 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.
Chromalox

Chromalox MT-3180E4TP, Immersion Heater, 18 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.

SKU: AB 063810
Stock confirmed at order — usually ships from stock
$1,375.00
AB 063870 — Chromalox MT-330E4TP, Immersion Heater, 3 kw, 208 volts, Copper Elements, Nema 4 Encl.
Chromalox

Chromalox MT-330E4TP, Immersion Heater, 3 kw, 208 volts, Copper Elements, Nema 4 Encl.

SKU: AB 063870
Stock confirmed at order — usually ships from stock
$559.90
AB 063888 — Chromalox MT-330E4TP, Immersion Heater, 3 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.
Chromalox

Chromalox MT-330E4TP, Immersion Heater, 3 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.

SKU: AB 063888
Stock confirmed at order — usually ships from stock
$559.90
AB 063941 — Chromalox MT-337E4TP, Immersion Heater, 3.75 kw, 208 volts, Copper Elements, Nema 4 Encl.
Chromalox

Chromalox MT-337E4TP, Immersion Heater, 3.75 kw, 208 volts, Copper Elements, Nema 4 Encl.

SKU: AB 063941
Stock confirmed at order — usually ships from stock
$581.90
AB 063950 — Chromalox MT-337E4TP, Immersion Heater, 3.75 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.
Chromalox

Chromalox MT-337E4TP, Immersion Heater, 3.75 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.

SKU: AB 063950
Stock confirmed at order — usually ships from stock
$581.90
AB 064012 — Chromalox MT-345E4TP, Immersion Heater, 4.5 kw, 208 volts, Copper Elements, Nema 4 Encl.
Chromalox

Chromalox MT-345E4TP, Immersion Heater, 4.5 kw, 208 volts, Copper Elements, Nema 4 Encl.

SKU: AB 064012
Stock confirmed at order — usually ships from stock
$658.90
AB 064020 — Chromalox MT-345E4TP, Immersion Heater, 4.5 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.
Chromalox

Chromalox MT-345E4TP, Immersion Heater, 4.5 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.

SKU: AB 064020
Stock confirmed at order — usually ships from stock
$658.90
AB 064080 — Chromalox MT-360E4TP, Immersion Heater, 6 kw, 208 volts, Copper Elements, Nema 4 Encl.
Chromalox

Chromalox MT-360E4TP, Immersion Heater, 6 kw, 208 volts, Copper Elements, Nema 4 Encl.

SKU: AB 064080
Stock confirmed at order — usually ships from stock
$702.90
AB 064098 — Chromalox MT-360E4TP, Immersion Heater, 6 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.
Chromalox

Chromalox MT-360E4TP, Immersion Heater, 6 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.

SKU: AB 064098
Stock confirmed at order — usually ships from stock
$702.90
AB 064143 — Chromalox MT-375E4TP, Immersion Heater, 7.5 kw, 208 volts, Copper Elements, Nema 4 Encl.
Chromalox

Chromalox MT-375E4TP, Immersion Heater, 7.5 kw, 208 volts, Copper Elements, Nema 4 Encl.

SKU: AB 064143
Stock confirmed at order — usually ships from stock
$797.50
AB 064151 — Chromalox MT-375E4TP, Immersion Heater, 7.5 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.
Chromalox

Chromalox MT-375E4TP, Immersion Heater, 7.5 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.

SKU: AB 064151
Stock confirmed at order — usually ships from stock
$797.50
AB 064207 — Chromalox MT-390E4TP, Immersion Heater, 9 kw, 208 volts, Copper Elements, Nema 4 Encl.
Chromalox

Chromalox MT-390E4TP, Immersion Heater, 9 kw, 208 volts, Copper Elements, Nema 4 Encl.

SKU: AB 064207
Stock confirmed at order — usually ships from stock
$878.90
AB 064215 — Chromalox MT-390E4TP, Immersion Heater, 9 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.
Chromalox

Chromalox MT-390E4TP, Immersion Heater, 9 kw, 208 volts/3 phase, Copper Elements, Nema 4 Encl.

SKU: AB 064215
Stock confirmed at order — usually ships from stock
$878.90
AB 064910 — Chromalox MTS-3120E4TP, Immersion Heater, 12 kw, 208 volts, Stainless Elements, Nema 4 Encl.
Chromalox

Chromalox MTS-3120E4TP, Immersion Heater, 12 kw, 208 volts, Stainless Elements, Nema 4 Encl.

SKU: AB 064910
Stock confirmed at order — usually ships from stock
$1,593.90
AB 064928 — Chromalox MTS-3120E4TP, Immersion Heater, 12 kw, 208 volts/3 phase, Stainless Elements, Nema 4 Encl.
Chromalox

Chromalox MTS-3120E4TP, Immersion Heater, 12 kw, 208 volts/3 phase, Stainless Elements, Nema 4 Encl.

SKU: AB 064928
Stock confirmed at order — usually ships from stock
$1,593.90
AB 064979 — Chromalox MTS-3150E4TP, Immersion Heater, 15 kw, 208 volts, Stainless Elements, Nema 4 Encl.
Chromalox

Chromalox MTS-3150E4TP, Immersion Heater, 15 kw, 208 volts, Stainless Elements, Nema 4 Encl.

SKU: AB 064979
Stock confirmed at order — usually ships from stock
$1,703.90
AB 064987 — Chromalox MTS-3150E4TP, Immersion Heater, 15 kw, 208 volts/3 phase, Stainless Elements, Nema 4 Encl.
Chromalox

Chromalox MTS-3150E4TP, Immersion Heater, 15 kw, 208 volts/3 phase, Stainless Elements, Nema 4 Encl.

SKU: AB 064987
Stock confirmed at order — usually ships from stock
$1,703.90
AB 065031 — Chromalox MTS-3180E4TP, Immersion Heater, 18 kw, 208 volts, Stainless Elements, Nema 4 Encl.
Chromalox

Chromalox MTS-3180E4TP, Immersion Heater, 18 kw, 208 volts, Stainless Elements, Nema 4 Encl.

SKU: AB 065031
Stock confirmed at order — usually ships from stock
$1,813.90
AB 065040 — Chromalox MTS-3180E4TP, Immersion Heater, 18 kw, 208 volts/3 phase, Stainless Elements, Nema 4 Encl.
Chromalox

Chromalox MTS-3180E4TP, Immersion Heater, 18 kw, 208 volts/3 phase, Stainless Elements, Nema 4 Encl.

SKU: AB 065040
Stock confirmed at order — usually ships from stock
$1,813.90
AB 065103 — Chromalox MTS-330E4TP, Immersion Heater, 3 kw, 208 volts, Stainless Elements, Nema 4 Encl.
Chromalox

Chromalox MTS-330E4TP, Immersion Heater, 3 kw, 208 volts, Stainless Elements, Nema 4 Encl.

SKU: AB 065103
Stock confirmed at order — usually ships from stock
$1,043.90
AB 065111 — Chromalox MTS-330E4TP, Immersion Heater, 3 kw, 208 volts/3 phase, Stainless Elements, Nema 4 Encl.
Chromalox

Chromalox MTS-330E4TP, Immersion Heater, 3 kw, 208 volts/3 phase, Stainless Elements, Nema 4 Encl.

SKU: AB 065111
Stock confirmed at order — usually ships from stock
$1,043.90
AB 065170 — Chromalox MTS-345E4TP, Immersion Heater, 4.5 kw, 208 volts, Stainless Elements, Nema 4 Encl.
Chromalox

Chromalox MTS-345E4TP, Immersion Heater, 4.5 kw, 208 volts, Stainless Elements, Nema 4 Encl.

SKU: AB 065170
Stock confirmed at order — usually ships from stock
$1,153.90
AB 065189 — Chromalox MTS-345E4TP, Immersion Heater, 4.5 kw, 208 volts/3 phase, Stainless Elements, Nema 4 Encl.
Chromalox

Chromalox MTS-345E4TP, Immersion Heater, 4.5 kw, 208 volts/3 phase, Stainless Elements, Nema 4 Encl.

SKU: AB 065189
Stock confirmed at order — usually ships from stock
$1,153.90
AB 065242 — Chromalox MTS-360E4TP, Immersion Heater, 6 kw, 208 volts, Stainless Elements, Nema 4 Encl.
Chromalox

Chromalox MTS-360E4TP, Immersion Heater, 6 kw, 208 volts, Stainless Elements, Nema 4 Encl.

SKU: AB 065242
Stock confirmed at order — usually ships from stock
$1,263.90
AB 065250 — Chromalox MTS-360E4TP, Immersion Heater, 6 kw, 208 volts/3 phase, Stainless Elements, Nema 4 Encl.
Chromalox

Chromalox MTS-360E4TP, Immersion Heater, 6 kw, 208 volts/3 phase, Stainless Elements, Nema 4 Encl.

SKU: AB 065250
Stock confirmed at order — usually ships from stock
$1,263.90
AB 065306 — Chromalox MTS-375E4TP, Immersion Heater, 7.5 kw, 208 volts, Stainless Elements, Nema 4 Encl.
Chromalox

Chromalox MTS-375E4TP, Immersion Heater, 7.5 kw, 208 volts, Stainless Elements, Nema 4 Encl.

SKU: AB 065306
Stock confirmed at order — usually ships from stock
$1,373.90
AB 065314 — Chromalox MTS-375E4TP, Immersion Heater, 7.5 kw, 208 volts/3 phase, Stainless Elements, Nema 4 Encl.
Chromalox

Chromalox MTS-375E4TP, Immersion Heater, 7.5 kw, 208 volts/3 phase, Stainless Elements, Nema 4 Encl.

SKU: AB 065314
Stock confirmed at order — usually ships from stock
$1,373.90
AB 065365 — Chromalox MTS-390E4TP, Immersion Heater, 9 kw, 208 volts, Stainless Elements, Nema 4 Encl.
Chromalox

Chromalox MTS-390E4TP, Immersion Heater, 9 kw, 208 volts, Stainless Elements, Nema 4 Encl.

SKU: AB 065365
Stock confirmed at order — usually ships from stock
$1,373.90
AB 065373 — Chromalox MTS-390E4TP, Immersion Heater, 9 kw, 208 volts/3 phase, Stainless Elements, Nema 4 Encl.
Chromalox

Chromalox MTS-390E4TP, Immersion Heater, 9 kw, 208 volts/3 phase, Stainless Elements, Nema 4 Encl.

SKU: AB 065373
Stock confirmed at order — usually ships from stock
$1,373.90
AB 186765 — Chromalox MTS-330A, Immersion Heater, 3 kw, 208 volts, Stainless Elements, Nema 1 Encl.
Chromalox

Chromalox MTS-330A, Immersion Heater, 3 kw, 208 volts, Stainless Elements, Nema 1 Encl.

SKU: AB 186765
Stock confirmed at order — usually ships from stock
$823.90
AB 186773 — Chromalox MTS-330E2, Immersion Heater, 3 kw, 208 volts, Stainless Elements, NEMA 7 Encl.
Chromalox

Chromalox MTS-330E2, Immersion Heater, 3 kw, 208 volts, Stainless Elements, NEMA 7 Encl.

SKU: AB 186773
Stock confirmed at order — usually ships from stock
$1,153.90
AB 186781 — Chromalox MTS-330A, Immersion Heater, 3 kw, 208 volts/3 phase, Stainless Elements, Nema 1 Encl.
Chromalox

Chromalox MTS-330A, Immersion Heater, 3 kw, 208 volts/3 phase, Stainless Elements, Nema 1 Encl.

SKU: AB 186781
Stock confirmed at order — usually ships from stock
$823.90
AB 186790 — Chromalox MTS-330E2, Immersion Heater, 3 kw, 208 volts/3 phase, Stainless Elements, NEMA 7 Encl.
Chromalox

Chromalox MTS-330E2, Immersion Heater, 3 kw, 208 volts/3 phase, Stainless Elements, NEMA 7 Encl.

SKU: AB 186790
Stock confirmed at order — usually ships from stock
$1,153.90
AB 186810 — Chromalox MTS-345A, Immersion Heater, 4.5 kw, 208 volts, Stainless Elements, Nema 1 Encl.
Chromalox

Chromalox MTS-345A, Immersion Heater, 4.5 kw, 208 volts, Stainless Elements, Nema 1 Encl.

SKU: AB 186810
Stock confirmed at order — usually ships from stock
$933.90
AB 186829 — Chromalox MTS-345E2, Immersion Heater, 4.5 kw, 208 volts, Stainless Elements, NEMA 7 Encl.
Chromalox

Chromalox MTS-345E2, Immersion Heater, 4.5 kw, 208 volts, Stainless Elements, NEMA 7 Encl.

SKU: AB 186829
Stock confirmed at order — usually ships from stock
$1,263.90
AB 186837 — Chromalox MTS-345A, Immersion Heater, 4.5 kw, 208 volts/3 phase, Stainless Elements, Nema 1 Encl.
Chromalox

Chromalox MTS-345A, Immersion Heater, 4.5 kw, 208 volts/3 phase, Stainless Elements, Nema 1 Encl.

SKU: AB 186837
Stock confirmed at order — usually ships from stock
$933.90
AB 186845 — Chromalox MTS-345E2, Immersion Heater, 4.5 kw, 208 volts/3 phase, Stainless Elements, NEMA 7 Encl.
Chromalox

Chromalox MTS-345E2, Immersion Heater, 4.5 kw, 208 volts/3 phase, Stainless Elements, NEMA 7 Encl.

SKU: AB 186845
Stock confirmed at order — usually ships from stock
$1,263.90
AB 186861 — Chromalox MTS-360A, Immersion Heater, 6 kw, 208 volts, Stainless Elements, Nema 1 Encl.
Chromalox

Chromalox MTS-360A, Immersion Heater, 6 kw, 208 volts, Stainless Elements, Nema 1 Encl.

SKU: AB 186861
Stock confirmed at order — usually ships from stock
$988.90
AB 186870 — Chromalox MTS-360E2, Immersion Heater, 6 kw, 208 volts, Stainless Elements, NEMA 7 Encl.
Chromalox

Chromalox MTS-360E2, Immersion Heater, 6 kw, 208 volts, Stainless Elements, NEMA 7 Encl.

SKU: AB 186870
Stock confirmed at order — usually ships from stock
$1,373.90
AB 186888 — Chromalox MTS-360A, Immersion Heater, 6 kw, 208 volts/3 phase, Stainless Elements, Nema 1 Encl.
Chromalox

Chromalox MTS-360A, Immersion Heater, 6 kw, 208 volts/3 phase, Stainless Elements, Nema 1 Encl.

SKU: AB 186888
Stock confirmed at order — usually ships from stock
$988.90
AB 186896 — Chromalox MTS-360E2, Immersion Heater, 6 kw, 208 volts/3 phase, Stainless Elements, NEMA 7 Encl.
Chromalox

Chromalox MTS-360E2, Immersion Heater, 6 kw, 208 volts/3 phase, Stainless Elements, NEMA 7 Encl.

SKU: AB 186896
Stock confirmed at order — usually ships from stock
$1,373.90
AB 186909 — Chromalox MTS-375A, Immersion Heater, 7.5 kw, 208 volts, Stainless Elements, Nema 1 Encl.
Chromalox

Chromalox MTS-375A, Immersion Heater, 7.5 kw, 208 volts, Stainless Elements, Nema 1 Encl.

SKU: AB 186909
Stock confirmed at order — usually ships from stock
$1,043.90
AB 186917 — Chromalox MTS-375E2, Immersion Heater, 7.5 kw, 208 volts, Stainless Elements, NEMA 7 Encl.
Chromalox

Chromalox MTS-375E2, Immersion Heater, 7.5 kw, 208 volts, Stainless Elements, NEMA 7 Encl.

SKU: AB 186917
Stock confirmed at order — usually ships from stock
$1,483.90
AB 186925 — Chromalox MTS-375A, Immersion Heater, 7.5 kw, 208 volts/3 phase, Stainless Elements, Nema 1 Encl.
Chromalox

Chromalox MTS-375A, Immersion Heater, 7.5 kw, 208 volts/3 phase, Stainless Elements, Nema 1 Encl.

SKU: AB 186925
Stock confirmed at order — usually ships from stock
$1,043.90
Authorized lines

Brands in Heaters

Watlow logo — Anderson-Bolds is an authorized Watlow stocking distributor and manufacturer's representativeQ'Mark logo — Anderson-Bolds is an authorized Q'Mark stocking distributor and manufacturer's representativeDanfoss logo — Anderson-Bolds is an authorized Danfoss stocking distributor and manufacturer's representativeBriskHeat logo — Anderson-Bolds is an authorized BriskHeat stocking distributor and manufacturer's representativeProcess Technology logo — Anderson-Bolds is an authorized Process Technology manufacturer's representativeConvectronics logo — Anderson-Bolds is an authorized Convectronics manufacturer's representativeBudzar logo — Anderson-Bolds is an authorized Budzar manufacturer's representativeBosch logo — Anderson-Bolds is an authorized Bosch manufacturer's representativeChromalox logo — Anderson-Bolds is an authorized Chromalox stocking distributor and manufacturer's representative

Heaters — questions buyers ask

How do I size an immersion heater?

Calculate the kW from the fluid volume, the temperature rise, and the time to reach setpoint, then check the watt density against the medium so the sheath stays below the fluid's scorch point. Use our heater sizing tool or send your tank details to an application engineer.

What sheath material should I use?

Use Incoloy/INCOLOY-800 for most water and process fluids and high temperatures, copper for clean water at lower temperatures, and 316 stainless for mildly corrosive solutions. Match the sheath to the medium to avoid premature failure.

Can you supply a custom or flanged immersion heater?

Yes. Flanged and circulation heaters are typically configured to the application (kW, voltage, flange size, thermowell, control). Add the item to an RFQ and our reps will spec and quote it.