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Price
$69.92
Home/DIY & Tools/Plumbing/Water Heaters & Parts
Optimum OP-BM/IHTWF01 - Wi-Fi Enabled Universal Boiler Module - Immersion Heater Control - 20 on/off Programs - Volt Free - 230 V, White โ€” image 1
Water Heaters & PartsOptimumโœ“ In stock

Optimum OP-BM/IHTWF01 - Wi-Fi Enabled Universal Boiler Module - Immersion Heater Control - 20 on/off Programs - Volt Free - 230 V, White

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$69.92
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About this item
  • 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.
Product 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.

Product details
Brand
Optimum
Manufacturer
Tower Flue Components
Colour
White

Customer reviews

What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
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Excellent
4.5 average rating
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S
Sigalit
๐Ÿ‡ฎ๐Ÿ‡ฑ ยท January 2026
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I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
๐Ÿ‡ฆ๐Ÿ‡บ ยท November 2025
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The package was here in Australia from England in a few days โ€” so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 1โ€“2 of 10 reviews

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