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Product Description

Repair Service for faulty Honeywell TMG 740-3 box.
These are fitted to many industrial and commercial gas boilers.


2 year guarantee on all our repaired PCBs

Please note:  The unit must be received complete and in its case (as shown in the photo). It must be in a repairable condition i.e. not contaminated with water damage, contact cleaner spray etc.

Customer Reviews

Honeywell TMG 740-3 Gas Burner Control Box Repair Service