🔧 Wireless Underfloor Heating Control – Manage your heating zones with zero wiring. The PNI CT28 PRO integrates seamlessly into your system, delivering precise temperature regulation and energy savings—no installation headaches. 📡 Compatible with PNI CT28M & CT28WIFI – Designed exclusively for use with the PNI CT28M valve control module and CT28WIFI hub (sold separately). Supports centralized management of up to 8 thermostats and 16 actuators via the Tuya Smart app. 📱 App-Based PNI Smart/Tuya Smart Control – Whether at home or away, adjust your heating in real time from your smartphone. Enjoy intuitive schedules, zone management, and full control—anytime, anywhere. ⚙️ Reliable 868MHz RF Communication – The stable 868MHz frequency ensures interference-free performance and secure pairing with your heating system. No Wi-Fi outages, no delays—just constant comfort. 🔄 Supports NO/NC Valves + Delay Settings – Compatible with Normally Open (NO) and Normally Closed (NC) valves. Adjustable delay (0–6 minutes) for heat pump or boiler activation—maximum flexibility in system configuration. 🚀📦