1. Hardware Stores: Major hardware stores like Home Depot, Lowe's, and Ace Hardware usually carry a wide range of gas furnace parts, including filters, igniters, thermostats, and more.
2. Heating and Cooling Supply Stores: These stores specialize in HVAC equipment and parts and offer a more extensive selection of gas furnace parts compared to general hardware stores.
3. Online Retailers: Many online retailers, such as Amazon, eBay, and HVACparts.com, sell gas furnace parts. This can be a convenient option for finding specific or hard-to-find parts.
4. Manufacturer Websites: Some gas furnace manufacturers have online stores where you can purchase genuine replacement parts for your specific furnace model.
5. Local HVAC Contractors: Local HVAC contractors may have a supply of common gas furnace parts or can order them for you. They can also provide professional installation if needed.
6. Plumbing Supply Stores: Some plumbing supply stores may carry a limited selection of gas furnace parts, such as valves and fittings.
When purchasing gas furnace parts, ensure they are compatible with your specific furnace model and meet safety standards. It's always advisable to consult with a qualified HVAC technician if you're unsure about which parts you need or how to replace them.