RHEEM 173801 Furnace Parts Product 84D

Control Board

The Control Board enables the operation of the unit. With one of these boards, you can ensure correct operation and longevity of your system.

The control board Assembly with display for model 173801 7-day programmable gas furnace.

This control board is used on RHEEM brand furnaces. It will fit the following models:

RHEEM 173801 Part# 84D control board This collector control board is used in Rheem, Ruud, and Ruud/Rheem manufactured gas furnaces and air conditioners. Please check the manufacturer part number of your unit to ensure this matches the one for your furnace or air conditioner.

The RHEEM 173801 Control Board is designed to fit the RHEEM Series 82 Tankless gas water heater. The RheEM 173801 Control Board is composed of a circuit board and an attached harness. When the heat exchanger becomes damaged, this could be your solution to a more energy efficient unit, which will save you on energy costs and increase the life expectancy of your hot water heater.

A board blown, or in worst case a triac burned out will also result in no heat. The control boards for those two furnaces look identical, but the parts are not. You can get the control board for your furnace at Parts Town USA, we stock all the replacement parts for Rheem furnaces.