Home » 2166-300 | Millivolt Gas Valve (NG)
2166-300 – Millivolt Gas Valve (NG) – (Special Order) - Total Hearth
2166-300 – Millivolt Gas Valve (NG) – (Special Order) - Total Hearth
2166-300 – Millivolt Gas Valve (NG) – (Special Order) - Total Hearth
2166-300 – Millivolt Gas Valve (NG) – (Special Order) - Total Hearth
2166-300 – Millivolt Gas Valve (NG) – (Special Order) - Total Hearth
2166-300 – Millivolt Gas Valve (NG) – (Special Order) - Total Hearth
2166-300 – Millivolt Gas Valve (NG) – (Special Order) - Total Hearth
2166-300 – Millivolt Gas Valve (NG) – (Special Order) - Total Hearth
Heatilator

2166-300 | Millivolt Gas Valve (NG)

Special order item - may require extra time to fulfill and ship. Special order parts are non-returnable.

In stock
SKU: SO-21019
$169.99

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2166-300 – Millivolt Gas Valve (NG) – Special Order
Ensure safe ignition and consistent flame control in your gas appliance with this OEM-style natural gas millivolt valve, a direct replacement for Heatilator 2166-300 and many popular equivalents. This valve is compatible with a wide range of fireplace and stove brands, making it a versatile solution for service professionals and DIYers alike.

πŸ”₯ Special Order Notice
πŸ“¦ This is a special order item. Please allow 2–3 business days for processing.

βœ… Key Features

  • βœ… OEM Replacement for Heatilator 2166-300 – Precision fit and dependable performance

  • βœ… Millivolt Ignition System Compatible – Designed for use with standing pilot ignition

  • βœ… Natural Gas Use Only – Calibrated for NG systems (not for LP gas)

  • βœ… Broad Compatibility – Used in many fireplaces and stoves from top hearth manufacturers

  • βœ… Durable and Field-Tested – Built for reliable performance in high-temperature environments

πŸ“Œ Specifications

  • πŸ“Œ Gas Type: Natural Gas (NG)

  • πŸ“Œ Ignition Type: Millivolt (standing pilot system)

  • πŸ“Œ OEM Brand: Heatilator

  • πŸ“Œ Replaces OEM #: 2166-300

  • πŸ“Œ UPC: Not Provided

  • πŸ“Œ SKU: NBK-21019

πŸ”„ Equivalent To (Cross References)

  • Heatilator / Heat-N-Glo / Quadrafire: 2166-300

  • Hearthstone: 7211-310, 7211-320

  • Enviro: 50-1421, EC-006

  • Comfort Glow: 10449602

  • Lopi (Travis Industries): 250-04377

  • Pacific Energy: 5007.05

  • Regency (FPI): 910-478, 910-378

  • Archgard: 308-0012

Important Fitment Note
⚠️ This valve is designed specifically for natural gas (NG) systems. Always check your appliance's original part number and gas type before ordering. Not for use with LP (propane) appliances.

Why Choose Our Millivolt Gas Valve for NG?
This OEM-equivalent gas valve offers reliable performance, safe operation, and wide compatibility across trusted fireplace and stove brands. Whether replacing a worn-out valve or performing preventative maintenance, this part ensures your appliance runs smoothly and safely. Order today for fast shipping and dependable results.