ensuring your replacement coil matches the 240V 60Hz 10

Using a switch with an incorrect Water Column rating can lead to premature shutdowns or

or the switch failing to close due to a ruptured diaphragm or moisture buildup

Efficient Servicing: Simplifies field repairs by providing all necessary internal rebuild components in a single SKU

Inspect these diaphragms during annual maintenance or if the main valve fails to open

Trane CNT3776 Ignition Module 30067439-890 ensuring your replacement coil matchesThe Trane CNT3776 is a professional grade 24V 3TFI ignition module engineered for precise combustion control in residential and light commercial heating systems. Utilizing a "Three Try For Ignition" (3TFI) sequence, this OEM replacement control board ensures reliable burner startup and consistent performance even in demanding environments. It is designed to manage timing for the pilot gas valve, main valve, and igniter while monitoring flame