i will second that, no insurance will pay out for an "act of god" so you cant be expected to.
I live at Bingley and we missed them, but a lad i know in the gym had 3 hail stones come through his conservatory roof that evening!
Stand your ground - as other said he cannot deduct from your wages.
Got a existing customer from back in the day when we was doing solar - his GEO Solar energy innovation, batteries not included | Green Energy Options monitor is playing up (always has TBH) what is a suitable, reliable, easy to read, easy to fit alternative?
Or do i get him the latest version?
Yes naturelly you will have backfeed from any of the 6 when calling, but this won't hold the contractor closed. Only the coil can do that.
According to your opening post you linked 1 to a1 also, this is your problem.
OK - repeat this at each manifold.
From a local switch fused spur bring Live & Neutral into a JB (small adaptable box), connect live into "2" connect the primery pump/boiler enable to "1"
Connect A1 to Neutral.
The switch live from the thermostat connect to A2 and also connect the live for...
OP - Can you tell me how many thermostats you have 6? - this is easy to wire - A1 to neutral, A2 switch live from the thermostat, put a permanent live into the contactor, load side of the contactor to boiler enable. The little pumps need to be connected to A2. The primary pump to boiler enable.
40miles? just stick a tenner on for fuel; or charge by the mile - there are tables to follow for this sort of stuff https://www.gov.uk/expenses-and-benefits-business-travel-mileage/rules-for-tax
Also - forgot to mention - if you have a hot water tank you can buy a hot water timer and run it off the NEO app also - or if you have any rads in the heating system these two can be controlled via a NEO stat and the app. So the whole heating system on one app.
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