when i turn on the heating after 5 minutes when the rads are hot the pressure goes over the top and the relief valve dumps the excess pressure therefore shutting down the system with low pressure.
i have checked the vessel pressure and set it to manufacturers 1/2 a bar
just wondering what the norm is for laying water pipes in concrete floors.
Concreteing beetween house and garage and running pipes to washing machine, hot and cold
i have had my new boiler, worcester, for 4 years, and in this time have had to replace the expansion vessel twice in the past and again now.
Has anyone any idea why they only last a short time as i am having to change it more or less every winter. The vessel is 8ltr. on a WORCESTER 28i JUNIOR