Argo AR861-2II 2 Zone Switching Relay 15VA Transformer DHW Priority 120V

Argo AR861-2II Multi-Zone Switching Relay – 2 Zones w/ Priority – 15VA Transformer

The Argo AR861-2II Multi-Zone Switching Relay is designed for intermediate hydronic heating control of 2 zones, featuring DHW (domestic hot water) priority. This relay panel is controlled by 24-volt thermostats or other 24V controllers and is commonly used in residential boiler systems.

The AR series is built to handle motor loads up to 1/3 HP @ 120VAC and includes an electronic fuse plus plug-in replaceable relays for easy service and long-term reliability.

Key Features:

• 2 zones with DHW priority

• 15 VA transformer included

• Handles circulator motor loads up to 1/3 HP @ 120VAC

• Controlled by 24V thermostats

• Electronic fuse protection

• Plug-in replaceable relays

• Works with cold start or tankless heater boilers

Manufacturer:

• Brand: Argo Industries (ECR International)

• MFG#: AR861-2II

✅ Ideal for HVAC contractors, boiler installers, and hydronic system techs.

Product details

Part / SKU	AR861-2II

Package includes

• Argo AR861-2II 2 Zone Switching Relay 15VA Transformer DHW Priority 120V

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