The Rheem-Ruud 42-24195-81 Pressure Switch is a critical safety component designed for precise induced draft monitoring in high-efficiency gas furnaces

If the furnace attempts to light but fails to create a visible spark

The tapered end is specifically designed to facilitate accurate actuation points

you must use a high-temperature rated actuator to ensure the internal components are protected from thermal stress

Built with heavy-duty

Johnson Controls A-4400-607 Replacement Drain Valve Els PW 17895 The Rheem-Ruud 42-24195-81 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