Belimo 22PF-5UG Flow Sensor 320788-703 or error codes on the

or error codes on the Lennox furnace control board related to low gas flow or communication loss with the valve solenoid

Its internal thermal protection prevents winding failure under elevated ambient temperatures

always check for cracked vacuum hoses

This single-phase induction motor operates at a fixed 1050 RPM

Belimo 22PF-5UG Flow Sensor 320788-703 or error codes on theThe Belimo 22PF 5UG Ultrasonic Flow Sensor is a high precision, non intrusive solution designed for accurate flow measurement in HVAC hydronic systems. Featuring a 1 1 2" NPT connection, this sensor utilizes ultrasonic transit time technology to provide reliable readings without the pressure drop or fouling risks associated with mechanical turbine meters. With a rated max flow rate of 47. 5 GPM and a measurement accuracy of + 2%, it ensures optimal