The system is about 40 years old but works like a trojan horse !!!, i know its not energy efficient but until it goes to boiler heaven quite happy with it, as i am not a boiler engineer not sure if i have zone or mid position valves ?
With regards to the pumps i defo have 2 the older blue one...
Can anyone Please help!!!
I have a really old Baxi back boiler with a Horstmann Coral dial timer that has stopped working and need to replace with a new digital one. Did some research online and saw that it could be replaced with a Sunvic Sunpro2000 which i have now purchased but am a bit...