Lux Standard Heat and Cool Thermostat

A Lux Mercury Free Mechanical Heat Thermostat gives you traditional, manual control over your HVAC system. This replacement thermostat has a mercury switch. Use with low-voltage, 24 volt AC systems for gas, oil, or electric; Millivolt for wall furnace, or 2-wire hot water systems.

Non-programmable manual temperature control Universal replacement, reliable mercury switch Use with low-voltage, 24 volt AC systems for gas, oil, or electric Millivolt for wall furnace or 2-wire hot water systems Easy to install, simple control 6.13W x 1.5D x 8.8H in. 3-year limited warranty included