Trying to install an under-sink Pentek slimline filter canister to the cold water tubing that exists as installed by the factory. Obtained 1/2" pex tubing and push on fittings, but the factory installed grey tubing looks very slightly smaller than the 1/2" pex tubing, and when I disconnected it at one T-junction it has a molded bulbous end like the flared end of a brake line - see pics. Is there a way, (what kind of fittings) to adapt the two types to each other before I go and cut the tubing that was factory installed?
In another forum someone alerted me to Sharkbite fittings which are supposed to adapt PEX to poybutylene grey tubing, but another poster seemed to indicate that the polybutylene Hunter used was Quest tubing that may be different in diameter to other polybutylene tubing now available, and that company is out of business and Hunter switched to other suppliers.
Thanks. Ilan
In another forum someone alerted me to Sharkbite fittings which are supposed to adapt PEX to poybutylene grey tubing, but another poster seemed to indicate that the polybutylene Hunter used was Quest tubing that may be different in diameter to other polybutylene tubing now available, and that company is out of business and Hunter switched to other suppliers.
Thanks. Ilan
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