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Common Questions & Technical Support: How do I test the Weil McLain 510-350-218 for failure
It allows the valve to function in heat pump applications by permitting reverse flow during the heating cycle
simplifying field replacement without the need for hot work
typically used in pump applications to allow for seal maintenance without removing the prime mover
Watts 0887121 Kit 30067439-890 Common Questions & Technical Support:Maximize the service life and field reliability of your backflow prevention systems with the Watts 0887121 Second Check Kit. Explicitly engineered for the 3 4" to 1" Watts 909 Series and Watts LF909 reduced pressure zone (RPZ) assemblies, this comprehensive RK 909 CK2 repair kit ensures a factory spec seal to prevent backsiphonage and backpressure in potable water lines. As a veteran grade backflow preventer repair kit, it includes the essential OEM