Horstmann Wireless Digital Room Thermostat HRT4-ZW

Horstmann HRT4-ZW — Wireless Electronic Room Thermostat with Z-Wave Plus

The Horstmann HRT4-ZW is a wireless electronic room thermostat designed to deliver reliable, energy-efficient temperature control across a wide range of heating systems. Using proven Secure control technology with Z-Wave Plus wireless communication, it provides flexible installation, accurate temperature regulation and improved comfort, making it ideal for both new installations and system upgrades.

Wireless Flexibility with Simple Pairing

Operating on Z-Wave Plus at 868MHz, the HRT4-ZW offers a stable, trouble-free wireless connection with minimal pairing procedures. Battery operation allows the thermostat to be positioned for optimal temperature sensing without the need for mains wiring, making it particularly suitable for retrofit projects and multi-occupancy buildings.

Energy-Efficient Control and Comfort

Advanced load compensation technology helps reduce temperature overshoot and boiler cycling, maintaining a more consistent room temperature. With a control range of 5–30°C and accuracy of ±0.5°C, the HRT4-ZW improves comfort while supporting reduced energy consumption. When used with a suitable time control, it is Boiler Plus compliant, helping installers meet current efficiency regulations.

Broad System Compatibility

The HRT4-ZW is suitable for most domestic gas, oil and solid-fuel heating systems, including combi boilers and additional heating zones. It pairs perfectly with Secure programmers and zone valves, providing a flexible wireless control solution with a clean, modern appearance.

Key Features of the Horstmann HRT4-ZW Wireless Electronic Room Thermostat Include:

• Wireless Electronic Room Thermostat Using Z-Wave Plus Technology
• Battery Operated Design For Flexible And Simple Installation
• Advanced Load Compensation For Improved Comfort And Efficiency
• Wide Adjustable Temperature Range From 5°C To 30°C
• High Temperature Accuracy Of ±0.5°C
• Trouble-Free Wireless Connection With Minimal Pairing Procedures
• Boiler Plus Compliant When Used With A Suitable Time Control
• Clear Back-Lit Digital Display For Easy Temperature Adjustment
• Compatible With Most Domestic Heating Systems And Secure Controls
• 7 Year No-Quibbles Manufacturer Warranty

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