Search results

Just realised - that's the purpose of isolating the flow and return - you don't have to drain the entire system.

Thanks very much Rob - its a wall mounted conventional unit. Do I need to drain down the entire heating system (got a hot water tank upstairs - boiler is downstairs). Is it just a case of shutting the boiler down, letting cool and then draining from the drain point? Sorry for the many...

Hello I need to replace the Auto Air Vent on this unit. Does anybody know how to drain this down? Perfect would be a list of instructions for a dummy. I will enlist the help of my father who is handy with boilers, CH & plumbing etc - but is unsure of how to drain this one. Any help...