Key Benefits: Bi-Directional Efficiency: Optimized for heat pump liquid lines to maintain filtration in both heating and cooling modes

With a nominal capacity of 1/2 ton

Cross-reference your existing part number

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

it utilizes the PopTop mounting system

Reznor 197117 Kit R-410A Key Benefits: Bi-Directional Efficiency: OptimizedThe 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,