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Newbie Advice Please

paulm1 · 2008-07-13 21:50:18

Hi all We are def going solar before the end of the summer. Hot water & heating. Going for 90 tube evac system. Fairly happy with everything except for 1 thing. Locatiion of cylinder. Currently our oil boiler sits behind the garage with the oil tank. Ideally I would like to locate the new cylinder just inside the garage…

13-07-2008 9:50pm

#1

paulm1

Closed Accounts Posts: 14 ✭

Join Date: July 2006

Posts: 10

Hi all

We are def going solar before the end of the summer. Hot water & heating. Going for 90 tube evac system. Fairly happy with everything except for 1 thing. Locatiion of cylinder. Currently our oil boiler sits behind the garage with the oil tank. Ideally I would like to locate the new cylinder just inside the garage wall next to the boiler (optimum). We have highly insulated flow and from hte house to the boiler at the moment which are about 12m in length. My question is that I can either locate the new 1000 litre tank 6m from the last panel in a new boiler house type structure that I would need to build or 18m from the last panel inside the garage next to the bolier. The pipes would obviously be laid underground in both cases.

Ok so if I lost anyone my question is about pipe run lengths.

Option 1. (Cylinder in new structure)
Pipe length from panels to tank 6m
Pipe length from boiler to cylinder 12m

Option 2 (Cylinder in garage)
Pipe length from panels to cylinder 18m
Pipe length from boiler to cylinder 0m.

So am I better using my boiler to top up slightly cooler water from the panels as it has to travel 18m to cyliner or am I better using boiler to top up tank over a 12m boiler to cylinder run ?

Any suggestions welcome.

Thanks

Paul.

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