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ensuring the exhaust path remains sealed and operational
Key Benefits Universal Compatibility: Engineered to fit the entire FS4-3 series and AF-1 / AF-2 / AF-3 air flow switch models
Equipped with 18-inch lead wires
This sensor is a direct replacement for the fan limit switch found in Williams Blower Kit 2303
75-inch outside diameter enables contractors to fine-tune system static pressure and airflow delivery by adjusting the pitch
Watts 0121421 Valve Refrigerant ensuring the exhaust path remainsThe Watts 0121421, also identified as the LF40XL 8 150, is an automatic temperature and pressure relief valve engineered for high capacity protection of commercial water heaters and storage tanks. This 3 4 inch NPT threaded valve features a reinforced bronze body and an extended thermostat element for accurate thermal sensing. With a dedicated pressure relief setting of 150 PSI and a temperature relief threshold of 210F, it delivers a massive steam