I wouldn’t expect grey. That cable (well mine anyway) was around long before 2004
Annoyingly mine has twin blacks
I suspect yours is from the 80’s.
And mine from the 90s.
They used white black for zone valves in the 80s. ACL. Whwre now they use orange grey
Annoyingly mine has twin blacks
I suspect yours is from the 80’s.
And mine from the 90s.
They used white black for zone valves in the 80s. ACL. Whwre now they use orange grey

