Mueller Industries A17939 Check Valve L99H008 If the millivolt output drops

If the millivolt output drops below the required threshold

typically powered by an SPDT snap-acting switch

eliminating the need for field modifications or line-set adjustments

the AM1M2 works in tandem with level controls and float switches to ensure system redundancy

Where should the temperature sensor be mounted

Mueller Industries A17939 Check Valve L99H008 If the millivolt output dropsThe 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