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Fireplace Thermopile vs Thermocouple: What's the Difference?

By Fireplace Choice March 19, 2026 | fireplace repair gas fireplace parts millivolt pilot assembly thermocouple thermopile troubleshooting | 0 comments

If you have been troubleshooting a gas fireplace that will not stay lit or will not ignite the main burner, you have probably come across the terms thermopile and thermocouple. These two components are often confused because they look similar, are located in the same area of the fireplace, and...

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Millivolt vs Electronic Ignition Gas Fireplaces: What's the Difference?

By Fireplace Choice March 19, 2026 | education electronic ignition gas fireplace IPI millivolt standing pilot thermocouple thermopile | 0 comments

If you own a gas fireplace or you're shopping for replacement parts, you've probably encountered the terms "millivolt" and "electronic ignition." Understanding which type of ignition system your fireplace uses is essential for ordering the correct parts, troubleshooting problems, and understanding how your fireplace operates.This guide explains both systems in...

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How to Replace a Gas Fireplace Thermocouple: Step-by-Step Guide

By Fireplace Choice March 19, 2026 | DIY repair gas fireplace how-to millivolt replacement guide thermocouple | 0 comments

A thermocouple is a small but critical safety device in your gas fireplace. When it fails, the pilot light won't stay lit, and your fireplace becomes unusable. The good news: replacing a thermocouple is one of the easiest and most affordable gas fireplace repairs you can do yourself, typically taking...

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Gas Fireplace Pilot Light Won't Stay Lit: Causes and Fixes

By Fireplace Choice March 19, 2026 | DIY repair gas fireplace pilot assembly pilot light thermocouple thermopile troubleshooting | 0 comments

Few things are more frustrating than a gas fireplace pilot light that refuses to stay lit. You hold down the pilot knob, the flame appears, but the moment you release it — the pilot goes out. This is one of the most common gas fireplace problems homeowners face, and the...

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