acts as a filter that opposes sudden changes in electrical current

Precise Modulating Control: Orchestrates complex firing rates and blower adjustments for consistent discharge air temperatures

Is the pitch adjustable on this 3-blade model

Simplified Installation: The kit includes necessary components for a standard 230V fan motor swap

On-Board Diagnostics: The integrated test button and signal light allow for rapid verification of the boiler low water cut-off status

Reznor 197117 Kit R-410A acts as a filter thatThe 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,