Quote Originally Posted by chris_cussen View Post
Loads of inertia switches on eBay
Even more - and much cheaper - in my local scrapyard.
They even tried to give me a switch as it was not worth charging for ...

Good point from Steve G in #20 about ethanol content damaging lots of materials - that includes NOS mechanical pump kits/diaphragms etc. (thank the 'Greenies' for promoting this particular ill-checked change ...).

Ref pressure and SUs - they seem to be quite sensitive - which may be why the American PO of my HRG fitted Grose valves to the twin SUs.