--- product_id: 53416744 title: "Optimum OP-BM/IHTWF01 - Wi-Fi Enabled Universal Boiler Module - Immersion Heater Control - 20 on/off Programs - Volt Free - 230 V, White" brand: "optimum" price: "1624 kr" currency: NOK in_stock: true category: "Optimum" url: https://www.desertcart.no/products/53416744-optimum-op-bm-ihtwf01-wi-fi-enabled-universal-boiler-module store_origin: NO region: Norway --- # 20 programmable on/off schedules Wi-Fi enabled for remote control Advanced AES encryption security Optimum OP-BM/IHTWF01 - Wi-Fi Enabled Universal Boiler Module - Immersion Heater Control - 20 on/off Programs - Volt Free - 230 V, White **Brand:** optimum **Price:** 1624 kr **Availability:** ✅ In Stock ## Summary > 🔥 Stay warm, stay connected — control your comfort with a tap! 📲 ## Quick Answers - **What is this?** Optimum OP-BM/IHTWF01 - Wi-Fi Enabled Universal Boiler Module - Immersion Heater Control - 20 on/off Programs - Volt Free - 230 V, White by optimum - **How much does it cost?** 1624 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/53416744-optimum-op-bm-ihtwf01-wi-fi-enabled-universal-boiler-module) ## 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 - • **Rock-Solid Security:** Stay worry-free with AES encryption, dynamic key allocation, and encrypted communication channels protecting your device. - • **Robust Volt-Free Switching:** Supports up to 16A resistive and 4A inductive loads at 230V, ensuring compatibility with a wide range of heating systems. - • **Tailored Heating Schedules:** Choose from 20 customizable on/off programs with 24-hour or 7-day cycles to perfectly match your lifestyle. - • **Smart Control at Your Fingertips:** Seamlessly manage your boiler or immersion heater from anywhere via smartphone or voice assistant (Alexa & Google). - • **Manual Override for Ultimate Flexibility:** Take control anytime with a physical button on the device or through the app, even if Wi-Fi is down. ## Overview The Optimum OP-BM/IHTWF01 is a sleek, Wi-Fi enabled universal boiler and immersion heater control module designed for modern smart homes. It offers 20 programmable on/off schedules, voice assistant compatibility, and robust security features including AES encryption. With manual override and volt-free SPDT contacts supporting up to 16 amps, it ensures flexible, reliable heating control accessible remotely via smartphone app or locally via a physical button. Perfect for professionals seeking efficient, connected home heating management. ## Description OP-BM/IHTWF01 is a Wi-Fi immersion heater / general purpose time switch OR a Wi-Fi boiler module. It can be programmed on a 24 hour or 7 day operation and can be remotely programmed via the user's home Wi-Fi hub and a smartphone App. The unit can be manually overridden with a button on the timer, or remotely by using the App. The unit is supplied in a housing for wall-mounting and configured for control of a typical immersion heater installation. Alternatively, the modular control can be removed from the housing, and is compatible with all boiler mounter 230V 50Hz mechanical or electronic timers. The switched status can be viewed via the App and changed as required whether within Wi-Fi range or not, as long as your phone has a data signal. Additional Wi-Fi switches can be added to the system and controlled individually of each other. A standard Wi-Fi router has a capacity for Dimensions of the timer are: 119mm (h) x 70mm (w) 46mm (d), and the weight is 201g. ## Features - WIFI ENABLED - Our Universal Boiler's WiFi connectivity allows you to access the boiler from your smartphone quickly and easily, with its compatibility with Alexa or Google Assistant. Note that you need a Wi-Fi network operating at 2.4 GHz to utilize this feature. - PROGRAMMABLE - It may also be set to operate for 24 hours or 7 days, and can be controlled remotely from your phone. It comes with 20 on/off programs and a countdown function with a minimum time setting of 1 minute. - SECURITY - It is not only effective and useful, but it is also completely safe to use. It comes with various encryptions such as A.E.S. Encryption, Dynamic Key allocation, and an encrypted channel to keep you safe. - VERSATILE - It is not only WiFi enabled it also comes with a manual override button on the device and in the app, which allows you to operate the device even when having connectivity issues. - VOLT FREE - Our Wifi enabled universal boiler has volt free SPDT contacts with switching up to 16 amps resistive and 4 amps inductive at 230v. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B077NBZ3LD | | Best Sellers Rank | 226,916 in DIY & Tools ( See Top 100 in DIY & Tools ) 468 in Water Heaters & Parts | | Brand | Optimum | | Colour | White | | Country Of Origin | China | | Customer Reviews | 4.0 4.0 out of 5 stars (177) | | Global Trade Identification Number | 05028415006078 | | Included Components | 1 x General Purpose WiFi timer; 1 x Installer Instructions; 1 x User Instructions | | Item Type Name | Wi-Fi Enabled Universal Boiler Module/Immersion Heater Control | | Item Weight | 0.14 Kilograms | | Manufacturer | Tower Flue Components | | Manufacturer Part Number | OP-BM/IHTWF01 | | Material Type | Plastic | | Model Number | OP-BM/IHTWF01 | | Number of Items | 1 | | Number of Packs | 1 | | Product Warranty | 12 months. | | Unit Count | 1.0 count | | Voltage | 230 Volts | | Wattage | 3000 watts | ## Product Details - **Brand:** Optimum - **Colour:** White - **Material:** Plastic - **Voltage:** 230 Volts - **Wattage:** 3000 watts ## Images ![Optimum OP-BM/IHTWF01 - Wi-Fi Enabled Universal Boiler Module - Immersion Heater Control - 20 on/off Programs - Volt Free - 230 V, White - Image 1](https://m.media-amazon.com/images/I/51iLtr2WI9L.jpg) ![Optimum OP-BM/IHTWF01 - Wi-Fi Enabled Universal Boiler Module - Immersion Heater Control - 20 on/off Programs - Volt Free - 230 V, White - Image 2](https://m.media-amazon.com/images/I/31J4nPhxL4L.jpg) ![Optimum OP-BM/IHTWF01 - Wi-Fi Enabled Universal Boiler Module - Immersion Heater Control - 20 on/off Programs - Volt Free - 230 V, White - Image 3](https://m.media-amazon.com/images/I/41nplLjlJBL.jpg) ![Optimum OP-BM/IHTWF01 - Wi-Fi Enabled Universal Boiler Module - Immersion Heater Control - 20 on/off Programs - Volt Free - 230 V, White - Image 4](https://m.media-amazon.com/images/I/41Fg0exaNEL.jpg) ![Optimum OP-BM/IHTWF01 - Wi-Fi Enabled Universal Boiler Module - Immersion Heater Control - 20 on/off Programs - Volt Free - 230 V, White - Image 5](https://m.media-amazon.com/images/I/21o-OCPm94L.jpg) ## Frequently Bought Together - Optimum OP-BM/IHTWF01 Wi-Fi Enabled Universal Boiler Module/Immersion Heater Control, 230 V, White - Schneider Electric Lisse White Moulded - Single Surface Pattress Box, 16 mm Deep, GGBL9116S, White - Smart Immersion Heater Timer Switch, 40A WIFI Smart Water Heater Timer Switch, Smart Wall Touch Boiler Switch with Alexa Google Home, Smart Life, Light Timer Switch, 8000W, (43mm deep box) --- ## 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.no/products/53416744-optimum-op-bm-ihtwf01-wi-fi-enabled-universal-boiler-module](https://www.desertcart.no/products/53416744-optimum-op-bm-ihtwf01-wi-fi-enabled-universal-boiler-module) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-09-16*