Adrian Evans wrote:
> Thanks for your suggestions,
>
> Bob,
>
> It's not draining out of the Bilge pump, I know where that drains, on the
> starboard side, this drains out of the port side, which is near the
> Calorifier ( now you/or everybody else come to mention it).
>
> Everyone else,
>
> PRV, is that pressure release valve?
>
> Big (ish) Red thing on top of calorifier, well I touched it, no I didn't
> thump it or hit it with a hammer, now it's 'banging', I would say it was
> releasing poss due to pressure ;-) as it bangs water spurts out of the port
> side overflow(? maybe).
>
> Need a new PRV?, need a new calorifier? ( I hope not )
>
> How much? difficult to fit?
That's the chap. Before you replace it, it might just be worth checking
that the pressure gauge attached to it (assuming there is one) isn't
reading 3 bar or more: that might indicate a failed pressure cut-out
switch on the pump. As Brian said, giving the top a thorough twiddle
might help it reseat. If it has been weeping slowly (sometimes happens
if the engine is running hot and no-one is running the hot tap) you can
get a build up of scale on the sealing faces.
Otherwise, the last one I bought cost about a fiver (so about ten now?)
and a ten minute job to fit with an adjustable wrench, some PTFE tape
and some Boss White.
M/
--
Martin Phillips
Pressure Relief valve from ASAP Supplies .... £8.77 = VAT
http://www.asap-supplies.com/search/pressure-relief-valve/hotpot-pressure-relief-valves
John nb Charlotte Rose
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