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Rosewood paper grain — description and returns beneath the overlapping buy card.
This 120Vac valve typically features two lead wires for power and a ground wire
making it a versatile pneumatic receiver controller for maintaining stable temperature and humidity levels
S1-THPU32HP7Y
" or if the burner trips on a high-limit error while the heat exchanger is within normal operating temperatures
Proven Reliability: Features a liquid-filled sensing element for consistent accuracy across the aquastat controller lifecycle
McDonnell & Miller 157S Controller R-410A This 120Vac valve typically featuresThe McDonnell & Miller 157S is a heavy duty combination low water cut off and pump controller engineered for commercial and industrial steam and hot water boilers. This specific OEM part #173502 features the 157S series head mechanism (part #173003) equipped with a snap acting SPDT switch. Designed for high pressure applications up to 150 psi (10. 5 kg cm), this controller ensures precise liquid level management, acting as a critical failsafe by