Resideo - Honeywell Home R847A1085 Hydronic Switching Relay

Hydronic Switching Relay from Resideo – Honeywell Home R847A1085 delivers reliable control for hydronic heating systems. This heavy-duty, AC-operated controller features a 24V AC coil and supports 120/240V AC contacts at 60 Hz, ideal for boilers and radiant heating setups in demanding environments.

Designed for reliability in tight installations, this rugged relay emphasizes dependable switching performance, minimizing boiler cycling and ensuring consistent heat delivery across radiators and radiant floors.

• Type: Heavy Duty Hydronic Switching Relay (AC operated) for robust boiler/zone control
• Coil: 24 VAC; Inrush 21.4 VA, Sealed 8.4 VA, 0.4 A
• Contacts: 120/240 VAC, 60 Hz; Full Load 22A/10A, Locked Rotor 100A/50A; SPST/DPST
• Approvals: UL and CSA approved for safety and compliance
• Dimensions: 4-1/4" W x 2-3/4" D x 5-1/4" H
• Applications: Ideal for residential hydronic controls, boiler switching, and radiant heating systems

Whether upgrading an existing hydronic system or wiring a new installation, this UL/CSA-approved relay delivers safe, efficient control with long-term robustness.