Well spotted on the NRV I was on my phone at the time though lol.
OP it would be wise to have that NRV removed to allow the shock arrestor to do its job although many many boilers are installed without them anyway and suffer no ill effects.
OP it would be wise to have that NRV removed to allow the shock arrestor to do its job although many many boilers are installed without them anyway and suffer no ill effects.
