Arrived at location on 6/6/22 - found the gas valve is bad. Found hardware missing from the control panel. I did install new hardware after heating valve would drop out. Found micro amps at .1 to .4 factory said .75 minimum. I swapped moduals with the bottom. Got the same. Found gas valve is bad I will obtain parts and return . Returned to location on 6/8/22 - Installed replacement gas valve. Tested unit and had proper functions. Unit ok for use.