PEX Tubing
From Open Source Ecology
- Pressure drop as a function of pipe diameter - [1]
- Typical pressure rating is 80 PSI at 200F - [2]
- 1/25hp hydronic pump, 007-F7, covers 1-6 loops of 1/2"x250' pipe, 11 foot head, up to 20 gpm - $120
Sourcing
- $62, Oxygen barrier - [3]
- Oxygen barrier, 1/2" for closed loop systems $54 for 300' - [4]
- Non-oxygen barrier - 1/2" - 300' - $48 - [5]