Mueller A17936 Check Valve 318172-701 Why is my heat pump

Why is my heat pump outdoor unit staying iced up despite a new board

Durability: Constructed from high-grade materials to resist blade warping and maintain balance over long duty cycles

Common Questions & Troubleshooting How do I verify if the 209339 electrode is faulty

allowing it to replace 370V units without issue while resisting the voltage spikes common in split-system air conditioners and heat pumps

Demand Defrost Logic: Optimizes system efficiency by only initiating defrost cycles when necessary

Mueller A17936 Check Valve 318172-701 Why is my heat pumpThe Mueller A17936 is a professional grade 1 2" Magnetic Check Valve engineered for heavy duty refrigeration and air conditioning systems. Featuring a hermetically formed solid copper body, this valve ensures zero leak potential while maintaining structural integrity under high pressure conditions. Unlike traditional spring loaded variants, its magnetic closure mechanism provides a more positive seal with a significantly lower pressure drop, making it