The 709SK GFCI Service Kit is a safety upgrade for the SAFE-HEET line of engine heaters or any other silicone pad engine heater. The kit provides ground fault and surge protection and all appropriate placarding and instructions for compliance with McFarlane Service Bulletin SB-3.
The 709SK is used to protect the SAFE-HEET and engine from any ground fault (insulation failure) situation. The 600 Watt Ground Fault Circuit Interrupter will open the circuit if more than 5 mA is detected not returning through the GFCI. This prevents lethal electrical shocks to the operator and electrical arcing between the engine and the heat pad. Insulation failure of the heat pad could be caused by lightning, electrical surge or mechanical damage. In some situations arcing between the heat pad and the engine pan could cause oil leakage and subsequent engine failure.
Features and Benefits:
709SK Kit Contents:
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