WebOct 8, 2011 · I want to replace a Mears M21DP thermostat with a Honeywell RLV430A programmable thermostat. The Mears unit is connected I want to replace a Mears M21DP thermostat with a Honeywell… Answered in 4 minutes by: Hi,,,I"m pulling up a manual on the Honeywell thermostat...I'll be back shorty to see if I can assist. Tom OK Tom http://chathambrass.com/List/Line-Voltage-Thermostat/MEARS-LINE-VOLTAGE

What’s a good replacement for a Mears Model M21-SP?

WebOct 8, 2011 · What you have is an 'electronic' switch......the thermostat is going to break the black wires in the stat with an electronic connection (no mechanical relay)... pretty cool.... Tom : In the old days..they would break both lines of power. Not 100% necessary,,,but a … WebMay 2, 2024 · Install an electrical box for the thermostat in an easy-to-reach location out of direct sun and away from the warm air from the heater. Run a live circuit cable from the panel to the box and another cable from the box to the heater. Connect the second wire to the heater wires, following the instructions that came with the heater. csharp subclass

Mears Line Voltage Thermostat…

WebEnter your zip code to find rebates, rewards, and offers from your energy provider. 0 / 5. View offers. WebFind many great new & used options and get the best deals for Vintage Mears Wall Thermostat M21SP at the best online prices at eBay! Free shipping for many products! WebProduct Spec Sheet Chatham Brass Co., Inc. M21SP 1-Pole 22 Amp 120/240 Volt 3-Wire Wall Mount Line Voltage Thermostat with Heat Anticipator Technical Specs Features Manufacturer Information Brand Chatham Brass Company Inc General Product Info Product UPC 80870000100 c sharp substring right