Across Europe, old house heating renovations face costly wall wiring reconstruction and complicated circuit transformation. To cut installation costs for installers and homeowners, TWJ officially launches Model 528 RF battery-operated wireless thermostat, eliminating mains wiring while supporting stable multi-zone water floor heating control.  this RF controller brings higher profit margins to HVAC distributors .

Raw：Support RF wireless pairing

Upgrade：One-click RF pairing cuts on-site installation time by 60%, no wall wire chiseling needed for renovation projects.

Raw：6 time periods per day Upgrade：6 daily time slots lower household heating bills by up to 25%, fully matching EU ErP energy-saving standards to win local tender bids.

Raw：High temperature shutdown function Upgrade：Dual-sensor overheat auto cut-off eliminates fire hazards, helping distributors reduce after-sales complaint rates drastically.

Call to Action

Request free Model 528 samples to test RF stability and programming functions for your local projects. Download full datasheets, pairing operation guides and certification packages via our online inquiry form to support your regional real estate and heating engineering bids.