- 30-day returns
- Fast shipping
- Secure payments
- Over 300,000 products
category:
Zone Valves, Controls and Coil Kits
height:
3.25"
instruction_sheet:
https://www.caleffi.com/sites/default/files/media/external-file/NA10333.pdf
length:
12.25"
manufacturer:
Caleffi
mpn:
ZSR103
subcategory:
Z-one™ Zone Controls
technical_brochure:
https://www.caleffi.com/sites/default/files/media/external-file/01285_NA.pdf
type:
Pump Zone Controls
weight:
1 LB
width:
12.25"
Instruction Sheet Product Description
Caleffi - ZSR103 Relay (pump and boiler operating control) The ZSR series is multi-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 3, 4, 5 or 6 heating circulator pumps, depending on model selected, a primary pump, and has LED indicators to provide functional status and easy system troubleshooting. In addition, a primary pump system circulator is switched on whenever any zone calls for heat.Replaceable fuses:= Type 2AG, 5A slow blow.
Additional Information
Transformer Voltage 24 Vac,
Maximum Transformer Load 12 Va (Zsr101/103/104), 20 Va (Zsr106),
Switch Rating 10A (Zsr101), 20A (Zsr103/4/6) Max Combined,
Electrical Switch Rating Pump Output 120 Vac, 5A Each,
Dry Contact Rating Aux, Xx, Zone