Recent content by rbanx

Checked Dumball, that is OK. do you feel pump does not have power to lift it and is then pumping up both cylinder flow and return.

Seco Services, thanks for the reply, no I don't think there is a blockage. When I was draining the system to check the Dumball, which is on the heating flow above the boiler, with water still in the system it was coming from both connections to the Dumball. All pipework near the boiler is 28mm...

Gravity DHW (Dumball) with feed and expansion coming off flow and return at cylinder. Heating is controlled by room stat and pump on return to boiler. DHW only does work OK, when heating is called hot water is pumped up DHW return past cylinder and up cold feed into F & E Tank. Suspected...

Actually its the front case that makes it room sealed. Therefore the shower bracket screws would have to be airtight.