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25-2-70 Probe is a heavy-duty boiler tridicator designed for simultaneous monitoring of system pressure and temperature
Designed specifically for compatibility with select Rheem and Ruud residential and commercial models
Thermal Stability: Rated for consistent performance in temperatures up to 140°F
This rating indicates the specific negative pressure required to close the circuit
Lennox 40L81 Flame Sensor Kit Els PW 17895 25-2-70 Probe is a heavy-dutyThe Lennox 40L81 Flame Sensor Kit is the critical genuine OEM replacement for maintaining combustion safety in Lennox HVAC systems. Engineered as a direct 1: 1 substitute for 40L8101 and LB 94701A, this kit is vital for the SureLight ignition system found in G23, G26, G32, and 90UGF series furnaces. As a veteran grade HVAC flame rod, it utilizes flame rectification to signal the control board, ensuring the gas valve remains bridged only when a stable
