Technicians should use a digital multimeter in series with the sense wire to measure the DC microamp (µA) signal while the burner is active

4 TR for R410A and 2 TR for R22

The Belimo ZG-LMSA-1/2-5 Shaft Extension is a critical field-accessory engineered for LF and LM series actuators

Built for the rigors of high-demand industrial and commercial gas-fired heating

you ensure full aquastat compatibility and prevent the diagnostic "Sensor Fault" or "Open Sensor" error codes common with aged or drifting secondary-market thermistors

Lennox 56L32 Pressure Switch Els PW 17895 Technicians should use a digitalThe Lennox 56L32 Pressure Switch is a critical safety component specifically engineered for high altitude HVAC applications, typically ranging from 4,501 to 10,000 feet. This genuine OEM replacement part features a Single Pole Single Throw (SPST) configuration with a fixed set point of . 36" WC (Water Column). Designed to monitor the pressure differential within the combustion chamber, this switch ensures the inducer motor is creating sufficient