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The Amana-Goodman 20028402 Pressure Switch is a mission-critical OEM replacement part designed for precision monitoring of combustion air and venting systems in high-efficiency gas furnaces
Installation Ready: Includes a dedicated baseplate and mounting ring for a complete field setup
This enclosed relay features two SPDT (Single Pole Double Throw) contacts
With the power disconnected and the switch at room temperature
making it compatible with most commercial HVAC pressure switch control loops
Johnson Controls A-4400-607 Replacement Drain Valve Els PW 17895 The Amana-Goodman 20028402 Pressure SwitchEnsure consistent moisture removal and system reliability with the Johnson Controls A 4400 607 Replacement Drain Valve. This authentic OEM HVACR replacement part is engineered specifically for Johnson Controls A 4000 Series air dryers manufactured with a date code after 9923. Designed for pneumatic air dryer maintenance, this valve provides critical water flow management to prevent condensate carryover in downstream pneumatic lines, protecting