when cooling is added to an oil furnace a subbase that accomodates cooling is required and what...else is required
new thermostat wire might have to be pulled from the t-stat to the air handler, and then, of course, you need a condenser.I'm an hvac professional. Maybe some of my hvac hubs would be useful to you.As far as T stats go. . . .you plan to find a subbase for your old mercury bulb t-stat? Why? Get a digital one that can be programmed for whatever application you have.I prefer the Honeywell Vision Pro 8000-you'll have a hard time finding a new sub-base for an old t-stat. It's only a matter of time before you'll have to replace that thing anyway.
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