Pay in 4 interest-free payments of $39.33 Learn more
Ships within 48 hours · Estimated delivery Sep 11 - Sep 16
Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
reducing callbacks for service technicians
For seawater applications
it ensures proper alignment within the blower assembly
Using a transformer with less than 40VA can cause the secondary voltage to sag under load
making it a versatile component for your service truck inventory
Caleffi ZVR103 Relay R-134A reducing callbacks for service techniciansThe 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