This OEM replacement part eliminates the guesswork by using the compressor as an internal sensor to monitor and analyze system data in real-time

you can orient this valve in any direction without affecting regulator performance

the MP823C001E utilizes a spring return stem up action

Bulk Value: Comes in a ten pack to ensure you have replacements ready for multiple service calls

Grundfos 00529912 Union Adapter Set R-410A This OEM replacement part eliminatesEnsuring a secure, leak free connection for hydronic systems requires the right metallurgy and precision threading. This Grundfos 00529912 Union Adapter Set is specifically engineered for bronze pump housings used in open loop domestic hot water recirculation and radiant heating applications. The 3 4" NPT female connection provides a standard interface for rigid copper or PEX piping, while the union design allows for rapid pump isolation and removal