Before installing, check how many wires you have at the wall plate. Take a photo of the old wiring before disconnecting anything — it makes hookup easy.
43004A – MECHANICAL THERMOSTAT (HORIZONTAL)
$38.99
Supco 43004A mechanical thermostat. Horizontal mount. For 4 or 5-wire 24V systems and single-stage heat pumps. Adjustable heat anticipator. No batteries needed.
10226 Plano Rd, Suite 104, Dallas TX 75238
Questions? Call or text (214) 340-9421
Mon–Fri 10 am – 7 pm | Sat 10 am – 3 pm
Description
Upgrading or replacing your thermostat is one of the simplest HVAC fixes — no tools beyond a screwdriver. This mechanical thermostat uses a traditional mercury-free temperature sensor — no batteries, no programming, no screens. Just slide the lever to set your temperature. Reliable and simple.
Specs: Mechanical (non-digital), horizontal mount, 24 VAC, 4 or 5-wire compatible, adjustable heat anticipator, single-stage heat pump compatible
Replaces: 43004A
Fits: Universal — single-stage gas, electric, or oil furnaces with central AC; single-stage heat pumps; 24V systems
Need help? See our Thermostat Not Working Guide.
In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.
