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While technically a line-voltage control
Versatile Electrical Compatibility: 120/240 Volt AC contact ratings support a broad range of commercial fan speed control and fan cycling tasks
Dual Part Number Recognition: Fully interchangeable with Lennox part 74P7001 for simplified inventory management
even if no visible cracks are present
Watts 0121428 Valve Els PW 29614 While technically a line-voltage controlThe Watts 0121428, professionally recognized as the 40XL 7 150 or LF40XL7 150 1, is a heavy duty T&P relief valve engineered for high capacity commercial water heater protection. This 1 inch NPT temperature and pressure relief valve features an extended 7 inch thermostat element, ensuring precise thermal sensing in thick walled tanks or insulated vessels. Rated for a steam discharge capacity of 2,134,000 BTU hr, it is a critical safety component for