I recently purchased my first motorhome. Its a 1996 Minnie Winnie. I would like to replace the Surburban thermostat with a heat only digital one. I purchased A honeywell pro 1000 after doing some research. After further review I think its the wrong one for my application. It has very small wire connections. My old one has 2 purple larger wires . Any suggestion's on a reasonable priced digital thermostat?