continuously monitors room temperature and adjusts the boiler output to maintain a constant level of comfort, which helps reduce energy bills compared to standard "on/off" controls. : Set up to three independent time settings per day.

Flexible programming options including 7-day, 5/2-day (weekdays/weekends), or 24-hour schedules.

(Manufacturer Part Number: ) is available through various specialized plumbing and heating retailers. When purchasing, ensure the unit includes both the wireless room thermostat and the plug-in receiver. VRT 350f - Vaillant

: As a wireless (RF) controller, it consists of a plug-in receiver for the boiler fascia and a portable room thermostat that can be wall-mounted or placed anywhere in your home. Intelligent Load Compensation : The

: Features a high-contrast, blue backlit display with simple plain-text menus, controlled by just two buttons and a rotary dial.