The Rate-of-Rise (ROR) element responds to temperature increases exceeding 15°F per minute

supporting both foot mount and single threaded hub mount configurations (0

Broad Compatibility: Fully compatible with McDonnell & Miller Series 53

ensuring the T-4000-2146 plastic cover maintains system integrity and local monitoring accuracy

Lennox 80K26 Pressure Switch Els PW 17895 The Rate-of-Rise (ROR) element respondsThe Lennox 80K26 Pressure Switch is a critical OEM safety component designed for Lennox furnace troubleshooting and repair. This single pole single throw (SPST) air pressure switch is factory calibrated to actuate at . 29" WC (Water Column) and reset at 0. 44" WC, ensuring the inducer motor generates sufficient draft before the ignition sequence begins. Built with a 1 4" barb connection for seamless integration with standard vacuum tubing, the 80K26