MYSON B51220 THERMOCOUPLE

Our Part No
1179090
MPN
B51220

We're sorry but this product has now been discontinued by Myson Boiler Spares and can no longer be purchased.

No replacement part is available.

Sorry, this part is now obsolete

MYSON B51220 THERMOCOUPLE.

A thermocouple is made from two different metals and is a part which activates an electromagnet that can open or close a valve to allow water or gas to go through the system. The thermocouple produces a small electrical charge to control the electromagnet .

This part is present in 4 different appliances on our system including the MYSON MARATHON 1000 C and the MYSON MARATHON 800/1000 B, MYSON MARATHON 1000 B, MYSON MARATHON 800 C . At the bottom of the page is an appliance grid with links to all appliances that contain this part, Please use this if you would like to view all other spares that fit that model and download the user manual for that appliance. Please contact us before ordering if none of these models match the one you have so we can confirm this part is compatible.


The MYSON B51220 THERMOCOUPLE is a genuine, brand new Myson Boiler Spares product, covered by a Myson Boiler Spares manufacturer's guarantee.

Not what you're looking for? Try our unique Spares Finder tool or you can view all Myson Boiler Spares products.

For advice on this or any product, please call us on 0330 123 3707, email us at web@dhsspares.co.uk, or see additional ways to contact us here.

  • Brand: Myson Boiler Spares
  • Name: MYSON B51220 THERMOCOUPLE
  • Our Part No: 1179090
  • MPN: B51220
  • GTIN / EAN: 5039177501152
  • Categories:
  • Availability: Sorry, this part is now obsolete
  • Condition: Brand new
  • Guarantee: Yes
  • Returns: 30 days

This part fits the following 4 appliances (sorted alphabetically):

May fit others. If you are unsure of your product model, or would like more information, please contact us.