Discuss New plumbing & heating system advice in the General DIY Plumbing Forum area at Plumbers Forums

T

Tommyh311

Hello,

I'm installing a new central heating & plumbing system and just wanted to run through my design choices to make sure I haven't overlooked anything! It's a 2 bed, 1 bathroom semi detached house.

These are the proposed appliances: WC, Basin, Bath, Shower, Washing Machine, Dishwasher, Kitchen Sink

I'm looking to put in a 30kW combi boiler. The cold mains pressure is around 3 bar with 13 l/min flow rate. The cold mains pipe into the house is 15mm. The boiler has a 15mm cold inlet and 15mm hot outlet, so i was going to run all the cold & hot water pipes in 15mm to the above appliances.

Central heating wise, I'll run the main flow and return pipework in 22mm and branch off this in 15mm to radiators.

Does this sound reasonable?

Any guidance very much appreciated,

Thanks,

Tommy
 
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