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Extended Probe: The 4-inch thermal element delivers responsive temperature sensing for rapid relief during thermal expansion cycles
spinning at a fixed 3000 RPM to deliver consistent airflow for residential Amana and Goodman furnaces
What shaft sizes are compatible with this direct-coupled mount
2 to 30 degrees F or 1 to 17 degrees C Adjustable Differential
Watts 0121491 Relief Valve Refrigerant Extended Probe: The 4-inch thermalFor contractors servicing high capacity hydronic systems, the Watts 0121491 (LF174A 60) is the industry standard replacement for discontinued models like 0275114 and the original 174A 1 60. This 1" NPT boiler pressure relief valve is specifically engineered for hot water heating and domestic supply boilers, providing emergency relief when system pressure exceeds 60 PSI. Built with a lead free copper silicon alloy body, it features a non metallic disc
US$ 22.00
US$ 1500.00
US$ 495.00
US$ 22.37