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Relays

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3 Zone Expandable Switching Relay w/ Priority (ZSR103)

SKU# 5329
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.
$204.26

4 Zone Expandable Switching Relay w/ Priority (ZSR104)

SKU# 5335
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.
$259.91

6 Zone Expandable Switching Relay w/ Priority (ZSR106)

SKU# 6561
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.
$285.32

Universal Intermittent Pilot Control Module (S8610U)

SKU# 5323
The S8610U Universal Replacement Ignition Module is designed to provide easy field replacement of a wide range of intermittent pilot ignition modules. The S8610U Module provides ignition sequence, flame monitoring, and safety shutoff for intermittent pilot central furnaces, residential boilers, and other eating appliances
$127.30