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Nest (Gen 2) Thermostat With Gas Fireplace (or Other Millivolt System) : 5 Steps (with Pictures) - Instructables
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transistors - Switching a millivolt gas valve with a low-voltage digital timer - Electrical Engineering Stack Exchange
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700-C506 : Robertshaw 700-C506 750 Millivolt Dual Gas Valve, 3/4" x 3/4" Straight-Thru | AMRE Supply
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Connecting Z-Wave Home Automation Thermostat to our Jotul Sebago Free Standing Gas Fireplace – Project Small House
![Nest (Gen 2) Thermostat With Gas Fireplace (or Other Millivolt System) : 5 Steps (with Pictures) - Instructables Nest (Gen 2) Thermostat With Gas Fireplace (or Other Millivolt System) : 5 Steps (with Pictures) - Instructables](https://content.instructables.com/FAF/F5HJ/JZX14A0A/FAFF5HJJZX14A0A.png?auto=webp&fit=bounds&frame=1&width=1024)