The Ideal Halo Lite OpenTherm Wired Combi Programmable Room Thermostat is a single-zone, wired smart thermostat designed specifically for OpenTherm-enabled Ideal combi boilers made after 2019, providing simple, cost-effective Boiler Plus-compliant heating control.

Product Description

Halo Lite OpenTherm Wired Combi uses a two‑wire OpenTherm connection to the boiler for both power and control, so no batteries are required. With a large colour screen, simple dial-and-button interface and advanced scheduling, it offers enhanced load compensation, optimised start/stop and landlord-friendly features in a slim, modern housing.

Key Features

• OpenTherm wired: 2‑wire low-voltage connection provides both power and digital control, no batteries needed.
• Single zone combi control: Designed for single heating zone combi boiler systems.
• Easy user interface: Large backlit colour screen with big text/icons and a large, easy‑to‑grip dial.
• Boiler Plus compliant: ERP Class V with enhanced load compensation, optimised start and optimised stop/delayed start.
• Flexible scheduling: Advanced scheduling with multiple time/temperature periods per day plus manual and override modes.
• Landlord features: Service timer with PIN, upper/lower temperature limits and landlord contact number input.
• Security & safety: Child lock, frost protection and clear plain‑English fault reporting.

Technical Details

• Product type: OpenTherm wired single-zone combi programmable room thermostat.
• Power & comms: Low-voltage OpenTherm two‑wire connection; no batteries required.
• Control functions: Programmable time/temperature control with load compensation and optimisation.
• User modes: Schedule mode, manual mode, holiday mode, temporary override, plus-hours boost.
• Display: Backlit colour LCD with clear temperature and status indication.
• Housing: Slim, compact, gloss white body with discreet security screw for fixed mounting.
• ErP class: Class V.
• Warranty: 1 year.

Compatibility & Installation

• Compatible boilers: Ideal Logic Combi C, Logic+ Combi, Logic Max Combi, Vogue Gen2 Combi, Vogue Max Combi and other OpenTherm‑enabled Ideal combi models (check current Ideal compatibility list).
• Mounting: Fixed wall-mounted thermostat with rear or surface cable entry; integral spirit level to aid installation.
• Connection: Must be wired into the boiler’s OpenTherm low-voltage terminals, not 230V connections.
• Applications: Domestic single‑zone combi systems where a simple, robust wired programmable thermostat with advanced efficiency features is required.