i cant see any point in testing just do it and provided you have warned them of possible failures the ball is in their court
as gas safe said ive never had problems sealing systems other than the odd weepy valve a two storey house on gravity will have half a bar of pressure so going to one bar...
only by seeing if it shuts of at different settings i would start from cold set it to a low setting run it see if it turns of then go half way see if it still turns of probably easiest to change it if its fully pumped i would as above suspect valve letting by
banks will only do a drive by survey to make sure the house exists and its not falling down all they are concerned with is its priced so they can get their money back if you default ,any internal survey is down to you to arrange if you dont tell them they will never know
i was looking out the back window the other day and saw the bloke next door burying his dead wife under the patio ******* i knew he didnt give me my spade back
not on the premier john they have an adjusting screw to zero
works the same as any gauge all ways test from the blue side connection the diffence is as the fluid is heavier than water the scale is smaller
plus points are it will never blow out the top and virtually spill proof
minus point is the...