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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
provided the system operating pressures fall within the 15" to 100# low side and 100# to 450# high side ranges
turn the adjustment screw counterclockwise until it stops
you know that field-converting a Lennox gas furnace requires precise 1:1 OEM components to maintain manifold pressure specs
If LP gas utilization is required
Durable Construction: Built to withstand high-cycle rates and thermal stress in both condenser and evaporator modes
Trane CNT7738 Control 326070-701 provided the system operating pressuresFor technicians and contractors servicing single stage heating systems, the Trane CNT7738 Control (also identified by the newer part number CNT07738) is the vital 1Stg integrated furnace control for maintaining system reliability. This genuine OEM furnace circuit board manages critical unit operations, including ignition timing, inducer blower speed, and gas valve activation, while consistently monitoring safety sensor inputs. Designed specifically