PRO1 T855iSH 8” Backlit WiFi Thermostat, 7-Day Programmable, 2H/2C Conventional, 5H/3C Heat Pump, Auto Changeover, 24V Power, Keypad Lock, Fan Control & Filter Alerts

Price: GBP121.22
(as of Jun 03, 2026 23:44:35 UTC – Details)

This WiFi thermostat features an 8” backlit display with a glow button for easy visibility. It supports 2H/2C conventional and 5H/3C heat pump systems, with 7-day programming, auto changeover, and a programmable fan. Adjustable cycle rates, temp calibration, keypad lockout, and setpoint limits provide precise control. Designed for professionals, it includes color-coded terminals, a universal sub-base, and hardwired 24V power for seamless installation. Built for reliability, it offers a 5-minute compressor delay and filter change reminders for long-term efficiency.
Large 8” Backlit Display with Glow Button: Bright blue backlight and glow-in-the-dark button ensure easy readability in any lighting conditions for quick adjustments.
WiFi-Enabled with Programmable Options: Supports 7-day or non-programmable modes with intuitive scheduling icons, auto changeover, and programmable fan control.
Advanced HVAC Compatibility: Works with 2H/2C conventional and 5H/3C heat pump systems, making it a versatile choice for residential and light commercial use.
Precision Control & Security Features: Adjustable heating/cooling cycles, room temp calibration, keypad lockout, and setpoint limits provide ultimate control and security.
Reliable & Easy Installation: Hardwired 24V power, color-coded terminals, universal sub-base, and junction box mounting ensure a smooth and professional installation.