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provided the orifice size matches the tonnage of the outdoor unit
Once the system cools to 135°F
Whether you are performing a mid-season repair or a full system overhaul
Maintains closed-loop control accuracy by eliminating mechanical slop in the linkage
Trane CNT7738 Control 320735-701 provided the orifice size matchesFor 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
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