--- product_id: 176829064 title: "Optimum OP-IHTDIGI Digital 24 Hour/7 Day Immersion/General Purpose Time Switch, 230 V, White" brand: "optimum" price: "£50.94" currency: GBP in_stock: true url: https://www.desertcart.co.uk/products/176829064-optimum-op-ihtdigi-digital-24-hour-7-day-immersion-general store_origin: GB region: United Kingdom --- # 24/7 scheduling 16A resistive load 3-year battery reserve Optimum OP-IHTDIGI Digital 24 Hour/7 Day Immersion/General Purpose Time Switch, 230 V, White **Brand:** optimum **Price:** £50.94 **Availability:** ✅ In Stock ## Summary > ⏳ Time is on your side with Optimum! ## Quick Answers - **What is this?** Optimum OP-IHTDIGI Digital 24 Hour/7 Day Immersion/General Purpose Time Switch, 230 V, White by optimum - **How much does it cost?** £50.94 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/176829064-optimum-op-ihtdigi-digital-24-hour-7-day-immersion-general) ## Best For - optimum enthusiasts ## Why This Product - Trusted optimum brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact Design:** Sleek and modern, this time switch fits seamlessly into any space. - • **User-Friendly Setup:** Includes all necessary components for a hassle-free installation. - • **Powerful Performance:** Handles up to 16 amps of resistive load, perfect for all your immersion needs. - • **Effortless Scheduling:** Set your on/off times with ease, thanks to 24 programmable options. - • **Reliable Battery Backup:** Enjoy peace of mind with a 3-year running reserve, ensuring your schedule stays intact. ## Overview The Optimum OP-IHTDIGI Digital Time Switch is a versatile 24-hour/7-day timer designed for immersion and general-purpose use. With a minimum setting of just 1 minute, it allows for precise control over your devices. This compact, surface-mounted switch supports a robust 16 amp resistive load and features 24 programmable on/off cycles, ensuring your appliances operate exactly when you need them. Plus, with a 3-year battery reserve, you can trust that your settings will remain intact even during power outages. ## Description OP-IHTDIGI is a digital immersion heater / general purpose time switch designed for surface mounting. It is programmable for either 24 hour or 7 day operation with a minimum switching setting of 1 minute. You can have 24 On/Off programs set per day or run it on an Advance on/off selection. The accuracy of the time switch is +/-2.5 seconds per day. This timer controls a volt-free changeover switch and has a resistive rating of 16 Amperes. It comes with pre-fitted (removable) links for mains switching and has an earth park terminal, 5 x wire-protect screw terminals and cable clamps installed. Without a contactor fitted, this timer is not suitable for discharge or LED lighting. This timer comes with a 3 year running reserve (at 20°C from factory) to keep the unit operational during power cuts. Dimensions of the timer are: 121mm (h) x 72mm (w) 52mm (d), and the weight is 160g. ## Features - 24 hour/ 7 day digital immersion & general purpose time switch with a minimum setting of 1 minute - Designed for surface mounting - Timed/ advance on/off selections - 16 amp resistive; 4 amp inductive - 24 on/off programs; with a 3 year running reserve from factory ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Tower Flue Components | | Part Number | OP-IHTDIGI | | Product Dimensions | 7.3 x 5.3 x 12.3 cm; 160 g | | Batteries | 1 Product Specific batteries required. (included) | | Item model number | OP-IHTDIGI | | Colour | White | | Style | Plain | | Material | Plastic | | Shape | Rectangle | | Power Source | AC | | Voltage | 230 Volts | | Item Package Quantity | 1 | | Number of Pieces | 1 | | Measurement System | Metric | | Usage | Inside;Amateur | | Included Components | 1 x Digital Timeswitch; 1 x User Instructions; 2 x Cable Clamps; 4 x Screws; 5 x Ferrules | | Batteries included? | Yes | | Batteries Required? | No | | Battery Cell Type | NiMH | | Item Weight | 160 g | ## Product Details - **Colour:** White - **Brand:** Optimum - **Material:** Plastic - **Product dimensions:** 5.3D x 7.3W x 12.3H centimetres - **Item weight:** 160 Grams ## Images ![Optimum OP-IHTDIGI Digital 24 Hour/7 Day Immersion/General Purpose Time Switch, 230 V, White - Image 1](https://m.media-amazon.com/images/I/81Nbw6-s6bL.jpg) ## Frequently Bought Together - Optimum OP-IHTDIGI Digital 24 Hour/7 Day Immersion/General Purpose Time Switch, 230 V, White - HBN 24 Hour Indoor Energy Saving Mechanical Immersion Heater Segment Timer Switch with Waterproof Cover, White, 16 Amps - OPTIMUM OP-SBST - 24 Hour Mechanical Socket Box Timer Switch 230v 16amp Timeswitch Lighting Immersion Heating Security --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/176829064-optimum-op-ihtdigi-digital-24-hour-7-day-immersion-general](https://www.desertcart.co.uk/products/176829064-optimum-op-ihtdigi-digital-24-hour-7-day-immersion-general) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-07*