Thermosiphon Engine Heaters

HOTSTART thermosiphon engine heaters maintain an engine's operating temperature during downtime and serve as an excellent cold weather or emergency starting aid while eliminating needless idling. HOTSTART heaters meet heating requirements for a wide range of engine sizes and applications. Designed to circulate heated coolant through the entire engine block, HOTSTART engine heaters provide even heat distribution resulting in reduced engine wear, quick start-ups and reduced emissions.

For greater engine heating efficiency and reduced energy consumption, check out the HOTflow™ series.

Small Tank Style Heaters (TPS models)

This high-impact plastic tank heater offers exceptional tensile strength and resists corrosion. The compact design is ideal for locations that require minimal mounting space. Thermostatically controlled and designed for efficient heating, this model is available from 500 watt to 2000 watt for engines of 150 CID to 700 CID. For a complete listing of part numbers and replacement parts, please click here.

Industrial Tank Style Heaters (CB, CL, models)

Hard-wire electrical connection, Single Phase. These pressure die-cast aluminum tank heaters are designed to circulate coolant through engines ranging in size from 200 CID to 1650 CID. Wattage options range from 1500w-5000w with various voltages available. These single-phase heaters are designed for hard-wire electrical connection using rigid or flexible conduit. All models are available with or without flow-through thermostat assemblies. For a complete listing of part numbers and replacement parts, please select more info >

Industrial Tank Style Heaters (SB, SL models)

With power cord, Single Phase. These pressure die-cast aluminum tank heaters are designed to circulate coolant through engines ranging in size from 200 CID to 1350 CID. Wattage options range from 1500w-4000w with various voltages available. This product line of single-phase heaters offers power cords with every unit. All models are available with or without flow-through thermostat assemblies. more info >

Industrial Tank Style Heaters (WL models)

Hard-wire electrical connection, Three Phase. These pressure die-cast aluminum tank heaters are designed to circulate coolant through engines ranging in size from 300 CID to 1650 CID. Wattage options range from 1500w-5000w with various voltages available. These three-phase heaters are designed for hard-wire electrical connection using rigid or flexible conduit. All models are available with or without flow-through thermostat assemblies. more info >

Product Data Sheet

Industrial Tank Style Heaters (EE models)

Hard-wire electrical connection, Single & Three Phase, Hazardous Location. These pressure die-cast aluminum tank heaters are designed to circulate coolant through engines ranging in size from 300 CID to 1650 CID. Wattage options range from 1500w-5000w with various voltages offered. Available in single and three-phase options, these heaters are designed for hard-wire electrical connection using rigid or flexible conduit. Heater models in this product line are available in configurations for Class I, Group D (Hazardous Locations). All models can be specified with or without flow-through thermostat assemblies. more info >