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I have an external submersible pump sitting in a 460mm dia chamber. The chamber has a standard cover which I remove whenever we flood and I manually drain water into an aco drain. I am looking for a permanent way of installing the pump Alongside the inspection chamber is a 110mm sewer line. Can...

The boiler heats the cylinder. The immersion heater is only for backup and is usually switched off

The boiler is not connected to the cylinder currently. The cylinder does have a stat as the attached image shows but this is not connected to the boiler. The boiler currently has a 230v flex cable and no other electrical connections or wires.

Both DHW and UFH are heated by the cylinder so does that make it a thermal store? I have flow and return for the boiler, flow and return for DWH and obviously hot water draw and cold water inlet. I had the cylinder installed in 2007 and am replacing as the immersion element has been weeping...

Apologies for the silly questions in advance. I have a vaillant 630 plus system boiler tied to a 300l Telford cylinder. The entire house is heated by UFH with manifolds on each of the 4 floors and each room having a thermostat. The heating and hot water go through the cylinder which is heated...

Any recommendations for a 300l tin coil indirect unvented cylinder? I have been quoted for a UK Cylinders model but there doesn't seem to be any information about quality. My installer recommended because the heat loss is quite a bit lower than Joule models. I have looked at the OSO DTC 300l...

Hello! I have a new Vaillant boiler being installed and will install a new cylinder at the same time. Our installer is recommending a UK Cylinders ProLite Air twin coil solar indirect unvented cylinder 300ltr. According to specs the standing heat loss is 1.80 kWh/24h which seems pretty decent...

Can anyone tell me what impact running a circulation pump with a larger diameter bore would have? Currently running an old grundfos 15-6 on 22mm with 1 1/2 threads but looking at a lowara ecocirc 25-6.