Trane CNT8121 Control Board 326058-755 The Lennox 11U66 Pressure Switch
Baker’s notes & crumb story
Description
Trane CNT8121 Control Board 326058 755 The Lennox 11U66 Pressure Switch The Lennox 11U66 Pressure Switch is a critical safety component designed for precise draft monitoring in high efficiency gas furnaces and HVAC systems though the 1 way arrow indicator should be noted for primary flow direction in specific system layouts