EPH Controls CP4 (COMBIPACK4) OpenTherm® Wireless Programmable RF Room Thermostat & Receiver | Boiler Plus Compliant

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 Specification Details Manufacturer EPH Controls Model CP4 (COMBIPACK4) Product Type Wireless Programmable Room Thermostat Communication RF Wireless Boiler Communication OpenTherm® & On/Off Heating Zones 1 Zone Programming Up to 6 periods per day Control Modes Auto, Manual & Off Frost Protection Yes Optimum Start Yes TPI Control Yes Boiler Plus Compliant Yes Warranty 5 Years Please check boiler compatibility before ordering. What's Included EPH CP4 Wireless Thermostat RF Receiver Installation Instructions Mounting Accessories