RLY3421 RLY03421 - OEM Trane Lochinvar Hot Surface Ignition Control Board Replaces
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Description
This is a brand new OEM Trane Lochinvar upgraded Hot Surface Ignition Control Board. It is a direct replacement for Trane American Standard. It replaces the part numbers listed below.
The control board is the brain of your unit, coordinating and executing the operation of other various components by sending voltage when and where needed. A control board is constantly monitoring sensors and safety switches in the unit.
Replaces:
RLY3421 RLY03421
Repair Difficulty Level
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