The Home Depot and Lowe's sell heater thermocouples both in their retail stores and online, as of 2015. Shoppers looking to buy the parts over the Internet can also purchase heater thermocouples from SupplyHouse.com, an online retailer that offers free shipping on orders totaling more than $150.
The Home Depot offers heater thermocouples from top brands including Honeywell and Williams, ensuring that customers get high-quality products that last. Many items are available for shipping to a local store or picking up at a brick-and-mortar store with no additional fees, and shipping directly to customers is also free on many items for purchases with a total over $45. The Home Depot provides a toll-free number for consumers who have questions about any item sold on the website, and the large number of retail brick-and-mortar stores makes it easier for shoppers to stop in and find just the right parts for their needs.
Lowe's also provides both online and in-store shopping, and shopping at Lowe's online is made even easier thanks to the ability to create custom side-by-side comparisons to view the features of each heater thermocouple offered. SupplyHouse.com offers complete thermocouple kits as well as individual thermocouples, giving shoppers everything they need to quickly install the lines and get their furnaces or other heating systems back up and running.