When you manually over ride thermostat (turn up heat) are you getting a flame symbol on the stat? What lights on the receiver?
Yes, plus the light on the boiler goes in and the flashing symbol on the screen to show it's drawing heat.
@Tenderloin started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
When you manually over ride thermostat (turn up heat) are you getting a flame symbol on the stat? What lights on the receiver?