using the correct Lochinvar 100166072 ensures seamless HVAC part compatibility and prevents the "hunting" issues often seen with universal aftermarket alternatives

Its robust diaphragm and contact design are engineered to withstand the demanding cycles of commercial pool packages and condensing boilers

As a critical component for 80+ efficiency furnaces

Drop-in Compatibility: Specifically designed as the current replacement for the 669552 model

By replacing the internal solenoid valve piston and seals

Mueller A17532 Valve Kit 321702-401 using the correct Lochinvar 100166072The Mueller A17532 Valve Kit is a heavy duty 1 1 8 inch ODS suction service valve designed for commercial refrigeration and HVAC systems utilizing 4 bolt mounting configurations. Engineered for resilience in high pressure environments, this kit provides a dependable seal for semi hermetic compressors and liquid receiver applications. The bolt on service valve facilitates rapid installation and maintenance, ensuring minimal downtime during component