It comes with the thermostat but the blower is another $164.
Please call our Technical Assistance line so we can assist you. 888-444-1212.
Hello John: The correct blower for the 3003822 is 2302. Thank you
The difference is BTU output and size.
No, the venting needs to terminate directly outside of the wall the furnace is mounted on.
Hello Joe: Yes, we offer an 24 inch extension, but that is max length. Thank you
Yes this can be used in a house. There is a BTU calculator located on our website that will help calculate your BTU needs. Click or copy and paste the link https://www.williamscomfortprod.com/product/direct-vent-furnaces/
That unit heats up to 700 square feet. Thank you
The hole required in the wall is 9 1/4 inches. Venting for up to a 9 inch wall is included with the furnace.