Argo AR861-3II 3 Zone Switching Relay 15VA DHW Priority Boiler Control

SKU: AR861-3II

Weight	6 lbs
Dimensions	14 × 10 × 6 in

$547.56

In stock — available to order.

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Same-item volume pricing

Quantity	Unit price	Saving
1–4	$547.56	0%
5–9	$520.18	5%
10+	$492.80	10%

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Argo AR861-3II 3 Zone Switching Relay 15VA DHW Priority Boiler Control

Specifications & product details

Argo AR861-3II Multi-Zone Switching Relay – 3 Zone w/ DHW Priority – 15VA

The Argo AR861-3II Multi-Zone Switching Relay is designed for hydronic heating systems requiring control of up to 3 zones with domestic hot water (DHW) priority functionality.

This AR series control is operated by 24-volt thermostats and is capable of handling motor loads up to 1/3 HP @ 120VAC, making it ideal for circulator pump control in residential boiler systems.

Key Features:

3 zone control with priority
Built-in 15 VA transformer
Handles loads up to 1/3 HP @ 120VAC
Electronic fuse protection
Plug-in replaceable relays
Compatible with cold start or tankless heater boilers
Designed for hydronic boiler zone applications

Manufacturer:

Brand: Argo Industries (ECR International)
MFG#: AR861-3II

Perfect for HVAC contractors, boiler installers, and hydronic service technicians.

Product details

Part / SKU	AR861-3II

Package includes

Argo AR861-3II 3 Zone Switching Relay 15VA DHW Priority Boiler Control

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

Specifications and compatibility

Description	3 zone with Priority

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