As long as you don't break into the gas way. Its then not gas work. Question is? why do you mess about heating systems if your not proven competent to do so.
Very poor... Strip it out and start again. If the profile is to difficult to dress properly, lead burn it. Unfortunately there are not many people who can do lead work properly anymore.
Oil is a controlled heat source. Solid fuel is an uncontrolled heat source. You are not allowed to connect the two systems directly together. You can use something like a thermal store on the solid fuel for separation and use the coil on the store to connect up to the oil heated side of the system.
Or put a proper separate waste system in for the washing machine. Sorry but dislike multifunction sink waste systems,; they are nothing but trouble. Had to many customer complaining about food waste from the sink blocking the washing machine sump.
Its only going to provide about 2 metres cubed/hour on this run with a 1 mbar working pressure drop from end to end. Hang the boiler on a head stone or put a bigger pipe in.
The problem is probably with the shower mixer fitting. Check the specification with the Manufacturer about operational pressure. A shower pump will obviously give you better performance, but do expect some noise.
There was avocado darkish green, The do you remember Pampas, but this looks like onyx, champagne or as ray says, Indian Ivory. Who was the ceramic company?
Just phone up all of the authorities, Gas supplier, electrical supplier, environmental health, HSE and dump them in it. Unless you value the late night booze frenzied Kebab more....
So you can have one primary meter and then two secondary meters for each dwelling. You can't just add another primary meter off of the gas service with out the transporter doing it for you.
The problem you will have with one primary and two secondary meters; is that it is unlikely that the...