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Common Questions Is the Alco 047753 compatible with modern refrigerants
reliability is paramount
This critical pneumatic control accessory features two straight fittings designed for a secure
extending the operational life of surrounding burner controls
Common Questions & Answers What is the difference between inductive and resistive ratings for this 3-pole contactor
Lochinvar & A.O. Smith 100208442 Relief Valve R-410A Common Questions Is the AlcoThe Lochinvar & A. O. Smith 100208442 Relief Valve is a critical safety component designed for high performance boiler pressure management. Engineered to trigger at 50 PSI, this valve provides essential overpressure protection for both residential and commercial hydronic heating systems. Within the trade, the 100208442 is identical to RLV2001 and serves as a direct OEM replacement relief valve for several high capacity units, including the Lochinvar