Mercury Alert Your Old Honeywell Mercury Thermostat Needs Your Attention

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If another wire is attached to the c terminal, stop now and contact a qualified contractor for help. The only issue is the yellow or blue wire. There’s no air conditioning, only heat. The blue wire is connected to rc on the thermostat. · its helpful to understand the basic parts and function of a mercury thermostat before you do any problem-solving. · you’ve probably heard us talk about the benefits of using a programmable thermostat, or have read our head-to-head comparisons of the nest and honeywell smart thermostats. In this troubleshooting guide, we’ll walk you through simple steps to decode the symbol and get your thermostat back to optimal performance in no time. ” We’ve touted that swapping out your thermostat can be a do-it-yourself project, but, any time you replace a thermostat, you’re left with what to do with the old one. · the house is old and has a mercury operated thermostat on the main floor and 1 in the basement. Changing to a new thermostat is easy enough. The thermostat is wired so that i can turn on the fan in the summer if i want, but there’s no ac, just the fan. It seems youre facing some wiring questions regarding … How to wire your new honeywell thermostat. Do you need our support with a product or service you already have? With a broken oil tank gauge , i figured i was out of oil and got more heating oil. If your old thermostat had separate o and b wires, attach the b wire to the c terminal. How do i adjust a thermostat so that the heat reaches the set temperature? Mercury is typically found in older mechanical thermostats like the honeywell round t87 and … Could the blue wire be a common wire? I have an old honeywell mercury thermostat. Learn about wiring old honeywell mercury thermostats and how they work with your hvac system. Find wiring diagrams and troubleshooting tips. Here are some easy diy steps for troubleshooting an old honeywell mercury thermostat to make sure its working properly for … · “is your honeywell thermostat displaying a warning sign, a triangle with an exclamation point? An instruction on how to replace an old mercury thermostat with a new one. In this video, well unveil the simplicity and genius behind the bimetallic strip, a component that has. · the thermostat will have a glass tube with a silver liquid inside of the tube. We are here to help you solve your problem and direct you to the appropriate contact. Dive into the mechanics of time-tested temperature regulation with a mercury thermostat. My honeywell round thermostat has a bulb with mercury in it and a coil of metal that seems to control when it …