7-Day Heating Timer – Replaces Honeywell Thermostat ST9100C, ST9100A, ST6100
7-Day Heating Timer – Replaces Honeywell Thermostat ST9100C, ST9100A, ST6100
Single Unit
Regular price
£44.
99
Regular price
Quantity
More than 10 available
When will I get it
Same-Day Dispatch: Orders received before 1 PM (local time) are dispatched the same business day. See our Shipping page for more information.
Delivery Time
Next working day to England / Wales. 2-3 Days to Scotland
Product Description
- Replaces Honeywell ST9100C, ST9100A, and ST6100: Designed to replace these Honeywell timers. Clips onto the same 6-terminal Honeywell backplate. No rewiring needed in compatible systems.
- 3 On/Off periods with flexible scheduling: Program up to three heating cycles per day. Choose from 24-hour, 5/2-day or full 7-day schedules. Ideal for combi boilers and single heating zones.
- Boost, Override and Holiday Modes: Boost adds up to 3 hours of heat. Holiday Mode pauses heating for up to 99 days. Manual Override lets you switch heating on/off until next event.
- Backlit LCD screen with clear prompts: Text-based display shows current status, next event and menu guidance. Simple layout makes setup quick and easy for any user.
- Memory is built in: Settings are stored permanently, even during power cuts. Clock auto-adjusts for summer/winter time changes.
- Made by Resideo (Honeywell brand group): Built by the makers of Honeywell Home controls. Installer-trusted and backed by a 3-year warranty. Reliable, affordable, UK-compatible.
The LavaTap Pro Controls 7-Day / 1-Channel Digital Timer is a reliable, user-friendly solution for replacing older Honeywell heating controllers. Designed specifically to fit the same 6-terminal backplate as the Honeywell ST9100C, ST9100A, ST6100A/C, it clips directly into place without the need for rewiring (FOR THE ST7100 REWIRING IS NEEDED). This makes it the ideal drop-in replacement for homes already equipped with these legacy systems.Once installed, the timer allows full customisation of your heating schedule with up to three ON/OFF cycles per day. It supports 24-hour, 5/2-day and full 7-day programming formats, offering flexibility for everyday routines. Commonly used with combi boilers and single-zone heating setups, this programmer is trusted by landlords, engineers, and homeowners for its simplicity and reliability.The large backlit display features a clear, text-based interface that guides users through setup and shows live system status. Features such as Boost Mode, Manual Override, and Holiday Mode provide real-world convenience for modern households. All settings are retained even during power cuts thanks to the built-in memory, and the internal clock adjusts automatically for daylight saving time.Built by Resideo, the same manufacturer behind Honeywell Home, the LavaTap Pro Controls timer delivers long-lasting performance and ease of use at an affordable price. It is backed by a 3-year warranty and is engineered to meet the demands of UK heating systems with quick, stress-free installation.Note: This unit is only compatible with Honeywell ST-series backplates. It is not suitable for use with other brands like Drayton, Horstmann, or ESI unless rewired.
Returns:
We offer a simple 30-day return policy from the date of purchase. Returns are free of charge to the customer if the item is faulty, damaged, or incorrect. We will provide a simple, free return service in these circumstances. See our returns page for more.
Payments:
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