Recent content by AndyE

Thank you both for the suggestions/comments. Checked the wiring for the controller and that's as it should be, it's also on the 'gravity' setting. There are no signs of a motorised valve anywhere, nor any wiring for one. Trying to apply some logic here, if the system functions...

Any ideas about the following problem: We have a gravity-fed HW system and pumped CH, with a Glow-worm conventional boiler (model 60B). When we had the kitchen redone we replaced the old electromechanical controller with a Lifestyle 522 programmer. Now we only get hot water if the...