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The Allanson 421-BT636 is a heavy-duty universal ignition transformer designed for reliable spark ignition in industrial and residential oil burners
this 24VAC solenoid coil operates at 10 watts with a 60Hz frequency
Increases or Decreases the Output Pressure of a Transmitter at a Constant Ratio
choosing these HVAC heating components eliminates the troubleshooting variables associated with universal aftermarket valves
Simplified Installation: The integrated vent limiter reduces labor by removing external venting requirements where local codes allow
Watts 0121479 Valve Els PW 29614 The Allanson 421-BT636 is aFor high demand hydronic systems and hot water space heating boilers, the Watts 0121479 (model LF174A 3 4 125) provides critical overpressure protection. This lead free boiler pressure relief valve is engineered with a lead free copper silicon alloy body to ensure durability and compliance in various installations. Featuring a 3 4 inch NPT female inlet and outlet, it manages a broad 2,070,000 BTU hr capacity at a fixed 125 PSI relief setting. The non
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