Need an adjustable value for the overflow on a Herbie set up on my new 120. There will be an unrestricted emergency drain as well.
NDS GVG-1000-S ProGuard Gate Valve, 1 in, IPS Hub, SCH 80 PVC, Gray Body, Handle, 1-inch, Red https://smile.amazon.com/dp/B000KKSAVG/ref=cm_sw_r_cp_apa_i_oa8aEbNE6EAQV
2 returns on separate pumps from the basement sump.
NDS GVG-1000-S ProGuard Gate Valve, 1 in, IPS Hub, SCH 80 PVC, Gray Body, Handle, 1-inch, Red https://smile.amazon.com/dp/B000KKSAVG/ref=cm_sw_r_cp_apa_i_oa8aEbNE6EAQV
2 returns on separate pumps from the basement sump.