Lennox 35K70 Combustion Chamber Kit 340155-7024 the 450042-001 features access valves
Baker’s notes & crumb story
Description
Lennox 35K70 Combustion Chamber Kit 340155 7024 the 450042 001 features access valves the 450042 001 features access valves on the inlet and outlet to assist technicians in monitoring system performance Calibration should be performed using a flow hood or Magnehelic gauge