Gas Valve Replacement Cost — Furnace & Boiler (U.S., 2026)
Estimated $200–$1,100 for a gas valve replacement in the U.S., depending on the HVAC system and the exact fault. Built from 6 sourced repair jobs across 2 HVAC types — each row keeps its own sources. Reviewed July 2026.
What a gas valve replacement costs, by HVAC and fault Estimated
Each row is a real sourced repair job whose description matched this part. Parts and total are that job's own national range — follow the problem link to localize it to your area.
| HVAC | Problem | Repair | Parts | Total | DIY |
|---|---|---|---|---|---|
| Gas Furnace | Not heating / blowing cold air | Gas valve replacement | $90–$250 | $300–$750 | Pro recommended |
| Gas Furnace | Gas valve replacement | Gas valve replacement (standard single-stage) | $90–$250 | $300–$650 | Pro recommended |
| Gas Furnace | Gas valve replacement | Gas valve replacement (multi-stage / modulating, high-end) | $200–$400 | $450–$800 | Pro recommended |
| Gas Furnace | Pilot light / thermocouple won't stay lit | Gas valve replacement (standing-pilot, root cause of last resort) | $90–$250 | $300–$700 | Pro recommended |
| Boiler | No heat / not firing up | Gas valve replacement | $100–$600 | $200–$1,100 | Pro recommended |
| Boiler | Ignition fault / lockout | Gas valve replacement | $100–$600 | $200–$1,100 | Pro recommended |
Base: 3 published national repair-cost guides (full source registry on the methodology page), published rates from 4 local repair companies · National base ranges — localize any figure on its linked problem page · Reviewed July 2026 · Estimated
Related HVAC cost guides
The full cost guide for each HVAC system a gas valve replacement shows up in:
Estimated national ranges aggregated from the linked problem pages — no per-page localization is applied here. See the methodology for the localization method and named sources.
Reviewed by a Red Seal–certified appliance technician who also holds a Technical Safety BC gas ticket (Gas-C) and an ODS/halocarbon refrigerant ticket (CFC/HCFC/HFC).