Welcome! Here are the website rules, as well as some tips for using this forum.
If you've found help here, check back in to let us know how everything worked out.
It's a great way to thank those who helped you.
hello All, im trying to raise the temperature on my boiler its a HTP 155 combi
when i go into the 600 programme mode it says the temp is set at 180f but the temp coming out when being called is 135f, how can i raise this? do i need to by pass the outside temp sensor??