![Caleffi ZSR103 Zone Pump Relay, 3-Zone — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-zsr103-card.png?v=1793998082&width=1946)
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Caleffi ZSR103 Zone Pump Relay, 3-Zone
Caleffi ZSR103 Zone Pump Relay, 3-Zone
Regular price
$270.52 USD
Regular price
Sale price
$270.52 USD
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SKU:ZSR103
View full details![Caleffi ZSR103 Zone Pump Relay, 3-Zone — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-zsr103-card.png?v=1793998082&width=1445)
![Caleffi ZSR103 Zone Pump Relay, 3-Zone specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-zsr103-specs.png?v=1793998083&width=1445)
The Caleffi ZSR103 is a zone pump relay control that manages up to three heating zones, switching circulator pumps on and off in response to thermostat signals. It is a genuine Caleffi replacement part for multi-zone hydronic heating systems. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | ZSR103 |
|---|---|
| Brand | Caleffi |
| Type | Zone Pump Relay |
| Zones | 3 |