Honeywell Home HR91 Wireless Radiator Controller | Evohome Compatible TRV Head

The Honeywell Home HR91 Wireless Radiator Controller is a minimalist wireless TRV head designed for evohome multi-zoning systems, providing precise room-by-room temperature control via two-way 868 MHz RF communication. Its slim ergonomic design features LED status indicators and manual override for reliable operation even during signal loss.

Key Features

• Two-way 868 MHz RF communication with evohome central controller.
• LED status indicators show device status, evohome pop-ups, and mobile notifications.
• Child lock mode deactivates local interaction via evohome controller.
• Anti-theft protection for batteries and device mounting.
• Auto-window function closes valve during sudden temperature drops from ventilation.
• Simple binding button for fast evohome system integration.
• Predefined manual overrides (21°C comfort, 5°C frost) via override button.

Why Choose Honeywell Home HR91?

Perfect for evohome users preferring central app/controller management with minimal local interaction. Modern design blends seamlessly while delivering intelligent energy-saving features.

Ideal for radiator cabinets and areas where screen-based controls (HR92) are impractical.

Suitable For

• Evohome multi-zone systems requiring radiator-level precision control.
• Radiator cabinets and concealed locations needing compact controllers.
• High-traffic areas benefiting from child lock and anti-vandal features.

Technical Specifications

• Brand: Honeywell Home by Resideo
• Model: HR91 Wireless Radiator Controller
• MPN: HR91
• GTIN: 5025121380720
• Valve Compatibility: M30 x 1.5 (adapters for Danfoss RA, others available)
• RF Frequency: 868 MHz two-way
• Power Supply: 2 x 1.5V AA alkaline or lithium batteries
• Battery Life: 2 years typical
• Set Point Range: 5 °C to 35 °C
• Operating Temperature: 0 °C to +50 °C
• Storage Temperature: -20 °C to +55 °C
• Humidity: 10-90% RH non-condensing
• Protection Class: IP30
• Dimensions: 89.4 x 52 x 52 mm (HxWxD)
• Weight: 130 g with batteries
• Body Material: Polycarbonate
• Warranty: 1 year

Installation & Operation

Tool-free installation with simple lock mechanism onto standard TRV valves. Quick binding to evohome controller with zone naming via app. Override button provides immediate comfort/frost settings independent of central control.