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Thermal Protection: Prevents heat exchanger fatigue and component overheating by maintaining strict 150°F maximum limits
or changeover switch
a magnetic clutch
Built to withstand a maximum fluid temperature of 250°F and a maximum working pressure of 680 psig
Whether you are replacing a legacy White-Rodgers 47D01U-843 or one of over 200 OEM controls
McDonnell & Miller 158S-HD Mechanism 30067439-890 Thermal Protection: Prevents heat exchangerMcDonnell & Miller158S HD Combination Low Water Cut Off and Pump Controller with Two Snap Acting SPDT Switch Head Mechanism Only (Part Number 178602) This item is not qualify for free shipping.
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