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Coleman Blend Air Control Board Update Kit
This aftermarket retrofit timer kit is the perfect replacement for the confusing expensive control boards. This kit will replace both the Coleman upper control board and the lower control board 1 year free replacement warranty. PURPOSE OF THE COLEMAN 5725 BLEND AIR RETROFIT KIT The Coleman Blend Air System found on many mobile homes is now an obsolete system. Most parts are still available, but in time those parts too will be obsolete. The purpose of the Blend Air System is to vent the attic and bring fresh air to the furnace. Ventilation of the attic is done by the blower on the roof running 4 hours on and 4 hours off 24/7. This is accomplished by an expensive overly-complicated system of 2 circuit control

Price is $175.00
Price: $175