Z-one Relay 4 Zone Pump Control 4 Zone A 4" Top Support /

A 4" Top Support / Storm Collar (2SVSLSF04) is also needed to make a weather seal with the roof flashing

No sealant required

Tee openings can be positioned up and down or left to right

Minimum 18” long adjacent pipe required for full adjustment

Z-one Relay 4 Zone Pump Control 4 Zone A 4" Top Support /The 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.