{"product_id":"openbox-7-day-heating-timer-replaces-honeywell-thermostat-st9100c-st9100a-st6100-st7100","title":"OPENBOX - 7-Day Heating Timer – Replaces Honeywell Thermostat ST9100C, ST9100A, ST6100, ST7100","description":"\u003cbody\u003e\n\n\n\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"font-bold\"\u003eOPEN BOX:\u003c\/span\u003e This product is a fully inspected customer return\u003c\/li\u003e\n\u003cli\u003eReplaces Honeywell ST9100C, ST9100A, ST6100, ST7100: Designed to replace these Honeywell timers. Clips onto the same 6-terminal Honeywell backplate. No rewiring needed in compatible systems.\u003c\/li\u003e\n\u003cli\u003e3 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.\u003c\/li\u003e\n\u003cli\u003eBoost, 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.\u003c\/li\u003e\n\u003cli\u003eBacklit 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.\u003c\/li\u003e\n\u003cli\u003eMemory is built in: Settings are stored permanently, even during power cuts. Clock auto-adjusts for summer\/winter time changes.\u003c\/li\u003e\n\u003cli\u003eMade 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.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"font-bold\"\u003ePLEASE NOTE:\u003c\/span\u003e\u003cspan\u003e This item is a customer return that has been fully inspected by the Lava team and carries a 30 day Lava guarantee or the manufacturer's original warranty (if applicable) - whichever is longer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe 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, and ST7100, it clips directly into place without the need for rewiring. 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.\u003c\/p\u003e\n\n\u003c\/body\u003e","brand":"Pro","offers":[{"title":"Default Title","offer_id":58586185236864,"sku":"NO -  600352","price":39.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/0629\/4936\/files\/9aeea8aa-105d-4155-99b2-3b18a8fd7d32.jpg?v=1785410813","url":"https:\/\/www.lavastore.co.uk\/products\/openbox-7-day-heating-timer-replaces-honeywell-thermostat-st9100c-st9100a-st6100-st7100","provider":"Lavastore","version":"1.0","type":"link"}