Kat's Heaters Thermostatically Controlled Circulating Tank Heater - 120V - 1,000 Watts
Code: KH13100
...Features: Circulating tank heater preheats your engine block, heater core, and radiator in cold temperatures by heating coolant and circulating warm coolant throughout the system Allows cab to heat...
Kat's Heaters Thermostatically Controlled Circulating Tank Heater - 240V - 1,000 Watts
Code: KH13101