depot pull
Pay in 4 interest-free payments of $39.33 Learn more
Ships within 48 hours · Estimated delivery Sep 17 - Sep 22
technicians can maintain system integrity
Start Relay
For seawater applications
The direct-coupled design allows for easy mounting on jackshafts up to 1
the VT3213G13B020 is specifically designed for chilled and hot water systems or glycol solutions up to 50%
Caleffi ZVR103 Relay R-134A technicians can maintain system integrityThe Caleffi ZVR103 is a high performance 3 zone valve relay designed for professional contractors managing multi zone hydronic heating systems. Engineered for seamless integration, the ZVR103 serves as a direct technical replacement for the HPZC103, providing a robust interface between low voltage 2, 3, and 4 wire thermostats and boiler equipment. This hydronic zone valve controller features a standard 40 VA transformer, which is field expandable to
US$ 110.00
US$ 28.00
US$ 30.00
US$ 25.00
US$ 58.00
US$ 187.00
US$ 39.00