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Trudesign Non Return Valves
UPC
m34981
Hi...
Is the measurement of these valves internal or external measurements? I'm wanting a non return valve to fit a pipe that is approx 19mm external and 15mm internal.
Cheers
Is the measurement of these valves internal or external measurements? I'm wanting a non return valve to fit a pipe that is approx 19mm external and 15mm internal.
Cheers
Question by: Craig Stenhouse on 28/08/2021, 1:22 pm
These are external measurements
Answer by: Website Customer Service (JGW) on 28/08/2021, 4:05 pm
