Mueller A17937 Check Valve 318172-701 This unit serves as the

This unit serves as the direct replacement for 8403-058 and 8403-059

making it suitable for standard 480V industrial grids

Durable Construction: Laser-welded stainless steel bellows provide professional-grade reliability and pneumatic precision

Versatile Electrical Compatibility: SPDT contacts support dual-purpose functionality for various contractor-grade wiring configurations

The Robertshaw 4290-008 Gas Thermostat is a high-performance snap-acting hydraulic thermostat designed for heavy-duty commercial kitchen equipment

Mueller A17937 Check Valve 318172-701 This unit serves as theThe Mueller A17937 Check Valve is a heavy duty 5 8 Magnetic Check Valve designed for reliability in demanding commercial refrigeration and HVACR systems. Engineered as part of the Mueller Streamline CHECKMASTER series, this valve utilizes a magnetic closure system that replaces traditional spring loaded mechanisms. This design facilitates a near zero pressure drop during flow and ensures positive shut off without the risk of mechanical spring fatigue.