... w/ Seals5RK11815-101Body Clamp Bracket6RK11-1767-01Heater, 12 vdc, 300 watt (for use w/ body feed ... (1)Heater, 12 vdc, 300 watt w/ body feed-thruRK11-1767-02Heater, 24 vdc, 300 watt (for use ... / body feed-thru)RK11-1800-02 (1)Heater, 24 vdc, 300 watt w/ body feed-thru711007Square-cut Gasket ... installation. In-filter heater may require a Heater Relay Kit. Power requirements are (maximum) :12vdc=25amps ...