ntelligent Heating Control for Maximum Comfort & Efficiency

The EPH Controls CP4 (COMBIPACK4) is a premium wireless programmable room thermostat and receiverdesigned to deliver precise heating control for domestic heating systems. Featuring OpenTherm® communication, TPI technology, and Optimum Start, the CP4 helps improve boiler efficiency while reducing unnecessary energy consumption. It supports a single heating zone and offers both OpenTherm® and traditional On/Off control, making it suitable for a wide range of modern gas boilers.

Whether you're upgrading an existing thermostat or fitting a new heating system, the EPH CP4 provides a reliable, user-friendly solution that is fully Boiler Plus compliant.

Key Features

✔ OpenTherm® Compatible
✔ Wireless RF Thermostat & Receiver
✔ Suitable for 1 Heating Zone
✔ Boiler Plus Compliant
✔ Optimum Start Learning Function
✔ TPI (Time Proportional & Integral) Control
✔ On/Off & OpenTherm® Control Modes
✔ Up to 6 Time & Temperature Settings Per Day
✔ Frost Protection Function
✔ Holiday Mode
✔ Large Easy-to-Read LCD Display
✔ Simple Installer Setup
✔ 5 Year Manufacturer Warranty

Benefits

• Improve boiler efficiency with OpenTherm® modulation
• Reduce heating costs through intelligent temperature control
• Easy wireless installation with no thermostat wiring required
• Comfortable, consistent room temperatures
• Suitable for combi, system and regular boiler installations (where compatible)
• Modern design that complements any home

Technical Specification

Please check boiler compatibility before ordering.

What's Included

• EPH CP4 Wireless Thermostat
• RF Receiver
• Installation Instructions
• Mounting Accessories