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this OEM board serves as a drop-in Reznor replacement part to resolve issues stemming from relay failure
When used in gas-fired applications
secure fitment during field replacement or new system commissioning
allowing for customized airflow and ventilation without engaging the compressor or furnace
5-ton system if the connections match
Reznor 197117 Kit 323055-751 this OEM board serves asThe Reznor 197117 Kit is an essential DJ20 high altitude kit engineered for Reznor unit heater models UDAP, UDAS, UDBP, and UDBS (sizes 30 125). High elevation installations over 6,000 feet require a precise adjustment to the air fuel mixture to compensate for decreased atmospheric density and prevent incomplete combustion or safety circuit tripping. This OEM replacement part includes a specialized pressure switch, often identified by a purple label,
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