Jaguar Combi are sold by the Wolseley Plumb centre group and are Glow
worm manufactured boilers but badged either Jaguar or Protherm so they
can sell them as a own brand. All technical help registration etc goes
to the Glow worm HQ in Belper Derbyshire. ( same firm)
The quote of £105 an hour plus the part prompted me into a diagnostic
I recon that a suitable disc cut from rubber (old innertube) and
inserted on top of the existing diaphram with a bead of clear silicon
around the edge covering the split will result in a repair that will be
better than the original article and more than likely outlast the
What ever you do, dont do what i did and drain the central heating
circuit thinking the boiler was now empty, and then remove the small
clip securing the mini bore pipe to the diaphram unit! Its under mains
pressure. When the jet of water hits the wall behind you the stop tap
will feel like it a million miles away even if its under the boiler.
Let me know if this helped you avoid a hefty bill.
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