Watts No. P3 Flow Control valve is designed to limit the flow of water to equipment and is used for tankless heater installations. It features a multi-orifice design which lets you select a flow of 3, 3-1/2 or 4 GPM, simply and quickly, by turning the cap to the desired setting. If a different setting is desired, simply move the adjusting cap to the desired setting, locating this over the matching line on the body.
- Adjusts to 3, 3-1/2, or 4 GPM
- Adjustment setting no. 3 yields 3.8 flow GPM at 80 psi
- Adjustment setting no. 3.5 yields 4.4 flow GPM at 80 psi
- Adjustment setting no. 4 yields 5.1 flow GPM at 80 psi