PPS re: photos, should have added - in a day or so. Havent taken any yet.
But going back to the pressure issue. Am I right to wory about the increased pressure of a combi boiler in combination with rads and pipes that were made for 1974-vintage gravity-fed system?
WARNING - Long!!
Hi, 1st time poster here.
This concerns my Dad's boiler/heating system - house was built 1974, 4-bed detached.
He has a conventional GRAVITY-FED system:
- tank in loft
- cylinder + immersion heater in airing cupboard (upstairs)
- boiler is in the kitchen, a...