Find the right part faster
Multiple models matched. Select your model to confirm fit.

Pilot control

Dk 1260006 gauge temp pressure 2"


Dk 2272159 blower-ind draft kit-see text



Dk 14655006 switch-press 2-5 sec grn red




Gas valve


Dk 14631028 gasket-vent switch


Dk 14662092 pilot burner-nat 3-9 section
Ensure the longevity and optimal function of your Lennox water heater by using genuine OEM water heater parts available at Repair Clinic. We offer an extensive selection of Lennox parts, including critical components such as thermostat switches, burners, and orifices. These parts are expertly crafted to match your specific model, maintaining the manufacturer's warranty and ensuring an ideal fit every time. Common water heater issues like inadequate heating or leaks can often be rectified with genuine replacement parts. Discover our options for Lennox vent fan motors or explore replacement parts online for all your repair needs. For those handling a faulty thermocouple, our premium parts selection guarantees high-quality repair results for DIY enthusiasts and technicians alike.
Explore common Lennox water heater issues and how to resolve them using genuine replacement parts. Get answers to your questions about repairing and maintaining your Lennox water heater.
To find the right Lennox water heater part, check the model number located on the water heater label. You can input this into the water heater parts lookup tool on Repair Clinic's website to identify the exact replacement parts.
Leaks in a Lennox water heater could be due to loose inlet/outlet connections, a faulty temperature/pressure relief valve, or corrosion in the internal tank. Tighten any loose parts, replace the relief valve as needed, or consult a professional if the tank is corroded.
If your Lennox water heater isn’t heating, possible causes include issues with the thermocouple, a tripped breaker, or a faulty thermostat. First, check and reset the breaker, then test and replace the thermocouple or thermostat if defective. For further assistance, visit our temperature control switch parts page for more solutions.
Repair Clinic offers a comprehensive selection of Lennox water heater parts, available for quick delivery and backed with a price match guarantee.


Ensure the smooth operation of your Lennox water heater by ordering replacement parts online with ease. Whether you're facing issues with heating, leaks, or control inefficiencies, finding the right components is essential for a quick repair. Utilize the model number or part number lookup to identify the precise Lennox water heater parts you need, ensuring compatibility and reliability. Benefit from same-day shipping to get your water heater back in action swiftly. Enjoy peace of mind with our no-hassle 365-day returns and price match guarantee, getting the best deal on genuine repair parts. For additional repair guidance, visit the Water Heater Repair Help section. Explore more about Lennox Water Heater Valve Parts for precise replacements and further enhance your water heater’s performance today.
Identifying the model number of your Lennox Water Heater is crucial when seeking Water Heater parts, repair, or replacement services. Typically, the model number is found on a label sticker on the side of the water heater tank. This number helps streamline the online ordering process, ensuring you get the precise replacement parts needed. Whether you're dealing with issues like leaking, lack of hot water, or pilot light problems, having your model number on hand allows you to quickly access the Lennox Water Heater parts online you'require. For a different set of parts, check out Lennox Water Heater Igniter Parts available for easy ordering.

At Repair Clinic, our dedicated customer service team is here to guide you in finding the right parts for your Lennox Water Heater. We offer a seamless ordering experience with model and part number lookup features, ensuring you select the exact replacement part you need. If your Water Heater isn't heating properly, it might be a faulty thermocouple or thermostat. For leaks, checking connections or valves could be vital. Enjoy peace of mind with our Price Match Guarantee and 365-day returns. Need help? Reach out to us for expert troubleshooting assistance available seven days a week via live chat. we're committed to empowering both homeowners and professional technicians with the best OEM parts and resources. Visit Repair Clinic for more information on our renowned repair videos and guides. Count on us for your Water Heater replacement and repair needs!

"Find out the top five reasons your gas water heater is not heating and how to troubleshoot issues like a faulty pilot light, gas valve, thermocouple, pressure switch, or thermostat.

Find out five common reasons your electric water heater is not heating and how to address each issue.

Learn why testing your electric water heater thermostat is essential, how to safely check it with a multimeter, and how to interpret results to diagnose and resolve heating problems.