Can you replace the supply / return thermistor on my Buderus boiler?

Yes. We supply and professionally install the genuine part across Greater Vancouver. Our licensed technicians diagnose the fault, fit the correct OEM part, and test the system.

Do you sell the Buderus supply / return thermistor on its own?

No. Boiler parts are supplied and installed by our licensed technicians as part of a repair — we do not sell parts for individual or DIY purchase. We install the Buderus supply / return thermistor as part of a certified repair so it is fitted correctly, tested for safety, and keeps your Buderus warranty valid.

How do I know my Buderus supply / return thermistor has failed?

Typical symptoms include: Short-cycling; Over/under-heating; Temperature-sensor error codes; Inaccurate display temperature. On Buderus boilers this can also show as Ignition Fault or Flame Loss. We confirm the diagnosis before any work.

Buderus · Controls & Sensors

Buderus Supply / Return Thermistor Replacement in Greater Vancouver

Genuine Buderus supply / return thermistor, supplied and professionally installed by Technical Safety BC–licensed gas fitters. Never sold for DIY.

Call (604) 359-1081 Request Service

The Supply / Return Thermistor on Your Buderus Boiler

Supply and return thermistors tell the control the water temperature entering and leaving the boiler, enabling modulation and protecting against overheating. A drifting thermistor causes wrong temperatures, short-cycling, or false faults.

On Buderus systems — including models such as GB142, GB162, Logamax plus — a failing supply / return thermistor often shows up as ignition fault or related symptoms. We diagnose it precisely and install the correct genuine Buderus part.

Typical Lifespan

8-12 years

Brand

Buderus

Part Category

Controls & Sensors

Safety Warning

Short-cycling with sensor codes usually means a supply or return thermistor reading incorrectly.

Signs of a Failing Buderus Supply / Return Thermistor

Short-cycling

Over/under-heating

Temperature-sensor error codes

Inaccurate display temperature

Parts Are Professionally Installed — Not Sold for DIY

For your safety and to keep your manufacturer warranty valid, BoilerPart.ca does not sell loose boiler parts over the counter or for self-installation. Under BC regulations, gas appliance components must be installed by a licensed gas fitter. Every part we source is genuine OEM and is professionally fitted, tested, and certified by our Technical Safety BC–licensed technicians as part of a complete repair or installation.