It's a HD-45AH
I'm not seeing a very complicated control board. I think all the controls happen inside the Honeywell control valve. It's P/N 5H76383.
Looks like this...
So, going through the pre-cold rituals. Had propane delivered today. Tried to fire up the Modine in the shop. It's not making all the relay/solenoid clicking that it usually does. In the past I have had to cycle the starting sequence to purge air from the propane line, but with no clicking I...
I haven't got to the automation part yet, but the M1G is protecting the first floor of my house at the moment. It's integrated with my LAN, so I have remote control and text notifications for status changes.
I've been lurking around here for awhile, looking at all the cool garages and gleaning ideas for my own. I figured it was time to show mine and hopefully get some more ideas from the forum members. This is in Southern NH and it was built by the previous owner. I bought the house a couple...