Nordyne 1045845R Defrost Board 319852-301 ensuring high-accuracy detection even in

ensuring high-accuracy detection even in harsh water conditions

Includes the vital bleed port orifice and restriction elbows necessary for proper pilot-to-main-valve communication

making it a standard choice for technicians requiring reliable UL 353 limit control integration

making it a staple for contractors managing critical HVACR steam systems where durability and exact pressure reduction are non-negotiable

It is not intended for steam service

Nordyne 1045845R Defrost Board 319852-301 ensuring high-accuracy detection even inThe Nordyne 1045845R Defrost Board is the primary OEM replacement for the aging 1035831R and 624813 control modules. As an essential component for heat pump defrost control, this board manages the critical transition between heating and cooling modes to prevent evaporator coil icing. For veteran techs, this board is a drop in solution for Nordyne, Intertherm, and Miller units, ensuring the reversing valve and outdoor fan motor switch at precise