Review on Raypack 062234B Unitherm Governor Rp2100 by Kevin Apriando

I installed this after the gasket on my RayPak heater came loose. The old part was nowhere to be found so I'm not even sure I need it but the price was reasonable and I decided to buy it just in case. The lack of information and instructions on how to install it properly prevents it from getting 5 stars. By now I'm guessing it does what it's supposed to do, although I don't really know what it's for.