Lennox 23L53 Ignition Board Freon Use the adjustable span and

Use the adjustable span and zero potentiometers on the device while the motor is running at a known load to scale the signal for your BMS or PLC

or electric furnace

The large full-view sight glass ensures clear visibility of bubbles

and Johnson Controls equipment

and Barber Coleman (MA3

Lennox 23L53 Ignition Board Freon Use the adjustable span andFor the veteran technician servicing Lennox heating systems, the Lennox 23L53 Ignition Board (also identified as 1097 504 I or 66255119040) is a critical OEM component for residential and commercial duct furnaces. This furnace spark ignition control is engineered for precise 24V AC operation, facilitating the entire startup cycle from pre purge to local flame sensing. Known in the field for its reliability in Lennox LF24 and LD24 models, this