This is a BRAND NEW Rheem/RUUD/Weather King Gas Furnace HSI (Hot Surface Ignitor). Simply unplug yours and plug this one in!
The purpose of an ignitor is to ignite the gas after the gas valve opens up. It most cases, the ignitor turns off after ignition has occurred.
Replaces Old Part #s:
Repair Difficulty Level:
Partial List of Units that Use This Item:
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