ZSR103 | Zone Pump Relay 3 Zone | Caleffi Used on_KS 2004; KS 2006 or KS 2008 Kickspace Heater This 2-way valve features a

This 2-way valve features a normally closed configuration

82 inches of water column

This ball plunger is engineered with a combination of strength

With its quick and easy installation process

- 1500 Revolutions per Minute: Delivers optimal airflow and performance

ZSR103 | Zone Pump Relay 3 Zone | Caleffi Used on_KS 2004; KS 2006 or KS 2008 Kickspace Heater This 2-way valve features aCaleffi Zone Pump Relay (ZSR103) The Caleffi ZSR103 Zone Pump Relay provides precise control and sequencing for up to three zones in hydronic heating and cooling systems. Its compact design and easy to use interface make it ideal for both residential and commercial applications. Key Features: Controls up to three zones independently Adjustable time delays for pump sequencing LED indicators for clear status monitoring Built in dry contacts for remote