This OEM replacement part (superseding part number D49766-82) monitors compressor motor amperage and internal temperature

or audible rattling caused by distorted blades

Circuit Protection: Equipped with short circuit and reverse polarity protection to prevent board damage during installation

and both are technically identical OEM replacement parts for your furnace

reducing unnecessary service calls for manual reset limit switches

Grundfos 99880042 Flange Gasket 30067439-890 This OEM replacement part (supersedingFor service technicians maintaining hydronic systems, the Grundfos 99880042 flange gasket is the critical seal required for high performance UP and LAUP series circulator pumps. This 2 pack gasket set serves as the direct replacement for Grundfos 96409353, ensuring your 2 stage pump installations maintain a leak free interface at the inlet and outlet ports. Designed for GF 50 series flanges and compatible with 2 inch flange sets 96409354 and 96409355,