Spirax-Sarco 55225 Main Valve THPU32HP7Y this assembly includes the venter

this assembly includes the venter motor and wheel but is supplied without the shroud (housing)

This L50-22F defrost thermistor operates on a 50-degree Fahrenheit cut-in and 22-degree Fahrenheit cut-out logic

Standardized Threading: Uses 1/2" NPT piping to match most existing commercial gas lines without requiring excessive adapters

ensuring the electrical specs align with this 277V variant is vital to prevent board failure

the Armstrong inverted bucket design is inherently resistant to water hammer and corrosive gases like CO2

Spirax-Sarco 55225 Main Valve THPU32HP7Y this assembly includes the venterThe Spirax Sarco 55225 is a high performance 1. 25 inch NPT 25 Series main valve designed for precise pressure and temperature control in industrial steam systems. This pilot operated diaphragm valve is engineered for durability, utilizing a stainless steel diaphragm to provide high lift and maximum flow capacity. As a fundamental component of the Spirax Sarco 25P pressure reducing valve assembly, the 55225 model ensures stable downstream pressure