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Common Questions & Troubleshooting How do I resolve continuous output cycling or "hunting"
This OEM replacement fan blade is specifically engineered for York
defrost termination sensing
While they are physically compatible
it is the standard replacement for VP513A
Resideo S87B1024 Ignition Module 320788-702 Common Questions & Troubleshooting HowThe Resideo S87B1024 is a robust Direct Spark Ignition (DSI) module engineered to provide reliable electronic control of gas fired heating systems. Operating on a 24 Vac ignition circuit, this unit is designed for Natural or LP gas applications where a single rod flame sense configuration is required. This specific model features a single trial for main burner sequence; if ignition is not established within the 21 second ignition trial time, the
