Trane MOD2070 Module 320720-756 If your boiler flame sensor

If your boiler flame sensor signal is below the required microamp threshold

ensuring consistent seating and minimal pressure drop across the line

typically used for proving fan operation or monitoring filter loading

Industrial Build Quality: Designed to replace standard Allanson transformers in waste oil applications where standard duty cycles are insufficient

Multi-Input Flexibility: Designed with dual inputs to accommodate complex sequencing of electric duct heaters or cooling stages

Trane MOD2070 Module 320720-756 If your boiler flame sensorFor service calls involving intermittent blower failure or erratic staging, the Trane MOD2070 ECM Engine Control Module is the required OEM replacement HVAC control solution to restore sequence of operation. This electronically commutated motor driver functions as the "brain" for high efficiency blowers, managing variable speed operation by precisely regulating engine speed, fuel injection, and ignition timing. In industrial and commercial rooftop