using genuine McDonnell & Miller parts ensures the timing and flow rates remain within factory spec for maximum boiler system protection

Common Questions Is the wiring harness included in the 375-75882-000 kit

This microprocessor-based gas ignition control features a 10-second Trial for Ignition (TFI) period and is configured for a single ignition attempt (1Try) without a prepurge (NoPP) cycle

maintaining system balance and reducing field calibration time for technicians managing complex building automation infrastructures

The Carrier 329117-704 Transition Assembly is a critical OEM component engineered for high-efficiency 90+ RPJ3 gas furnaces

Trane CNT5134 DSI Module 318423-701 using genuine McDonnell & MillerThe Trane CNT5134 is an OEM 1 stage DSI module specifically engineered for high precision direct spark ignition in residential and light commercial gas furnaces. As a veteran grade HVAC ignition control board, this unit integrates advanced diagnostic circuitry to provide real time flame supervision and millisecond accurate timing for the high voltage spark sequence. Designed as a direct drop in replacement for legacy modules, it facilitates seamless