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the VS Series is required
a 2-1/4" short electrode designed specifically for your 157-RBP series and 157S-RBP combination pump controllers
while the integrated check valve makes it ideal for bi-flow heat pump applications
inspecting these boiler gaskets and insulators is mandatory to ensure the unit maintains its rated AFUE performance
ensuring a perfect seal and fit within the filter housing without bypass leakage
Siemens Building Technology 599-00213 Valve 323055-751 the VS Series is requiredThe Siemens 599 00213 is a high performance 2 way normally open zone valve assembly engineered for precise flow control in demanding commercial HVAC systems. This 1 inch NPT electric zone valve features a robust brass body and durable brass trim, ensuring long term reliability in both hot and chilled water applications. Operating on 24Vac power, this assembly utilizes a 7. 0 Cv linear flow characteristic to maintain stable temperature regulation and