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ASME Section IV Certified: National Board capacity-certified for compliance with strict boiler safety codes
Built with a forged brass body and robotically welded joints
Broad Compatibility: Explicitly engineered for both 80% and 90% efficiency Armstrong gas furnaces
OEM electrodes like the 207502 Reznor assembly are precision-calibrated for the correct gap and insulation resistance
Johnson Controls A19BBC-2 Temperature Control Els PW 17895 ASME Section IV Certified: NationalThe Johnson Controls A19BBC 2 is a heavy duty single stage mechanical thermostat engineered for precise temperature regulation in demanding HVACR environments. This SPDT (Single Pole, Double Throw) control features a wide setpoint range of 30? F to 100? F, making it a versatile solution for both heating and cooling applications, including refrigeration line monitoring and space temperature control. As a direct replacement for A19BBA 1 and A19BAA 1, it
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