Sizing Guide

Pipe Sizing Guide
Tubing
BTU/H
GPM
Pipe Size (In.)
Copper 10K - 20K 2 - 4 1/4”
20K - 45K 4 - 9 1”
30K - 80K 6 - 16 1 1/4”
50K - 105K 10 - 21 1 1/2”
100K - 225K 20 - 45 2”
Multi-Layer
10K - 20K 2 - 4 3/4
”
Composite (MLC)
20K - 45K 4 - 8 1”
PEX
2.5K - 10K 0.5 - 2 1/2”
XEP,eh obsriW(
TM
5K - 15K 1 - 3 3/4”
& Uponor)
15K - 25K 3 - 5 1”
20K - 45K 4 - 9 1 1/4”
30K - 70K 6 - 14 1 1/2”
High Density
75K - 205 K 15 - 41 2”
Polyethylene 150K - 575K 30 - 115 3”
(HDPE)
250K - 1,125K 50 - 225 4”