No need to replace the tee. (The tee that disproves my theory that 15mm comp threads are 1/2" BSPP! Damn. )
A Yorkshire YP8 or similar, fits into the compression end, will leave you with a 1/2" male thread. Expect to pay 8 to 10 quid, though
A Yorkshire YP8 or similar, fits into the compression end, will leave you with a 1/2" male thread. Expect to pay 8 to 10 quid, though