Z-one Relay 6 Zone Pump Control 100074624 Spacing for 1/2” tubing is

Spacing for 1/2” tubing is usually 12” on center with a maximum sidewall height of 12 ft

12 - 18" Adjustable

a primary pump and has LED indicators to provide functional status and easy system troubleshooting

Item #9: SH-07 & SH-10

(1) 36" long

Z-one Relay 6 Zone Pump Control 100074624 Spacing for 1/2” tubing isThe ZSR series is a zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low voltage thermostats, or any other low voltage controllers having a switching action. The ZSR series controls up to 6 zone pumps (depending on model selected) and a primary pump. It has LED indicators to provide functional status and easy system troubleshooting.