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Integrated Safety Controls: Includes a built-in ECO (Energy Cut-Off) switch to automatically shut down gas flow if water temperatures exceed safe limits
While optimized for air and water service
leak-free braze joint for standard line sets
allowing you to use existing inventory or preferred damper brands
000V and fits the spring or clip mechanism of the Rajah terminal for a secure electrical bond
Mueller Industries A17939 Check Valve 320074-702 Integrated Safety Controls: Includes aThe Mueller Industries A17939 is a high performance 7 8" Magnetic Check Valve designed for critical backflow prevention in commercial refrigeration and air conditioning systems. Engineered with a hermetically formed solid copper body, this valve eliminates potential leak paths, ensuring system integrity under high pressure conditions up to 800 PSI (55 bar). The internal magnetic mechanism provides a positive seal with a minimum pressure differential