The optional Service Interval function incorporated into the TP5000 Si helps landlords meet the boiler servicing requirements of Gas Safety Regulation 36. The Danfoss TP5001B offers cordless installation and battery-powered operation, making it ideal for areas with limited wiring options. Cookies are small text files placed on your device that remember your preferences and some details of your visit. Due to a built-in switching programme that the user may quickly modify to meet specific heating needs, it is simple to programme and operate. It sounds as if you were only in the 'user advanced programming options', rather than the 'Installer advanced programming options'!

The unit provides audible and visual warnings from 28 days before servicing is due and ultimately reduces the heating output should the due date pass.

Some cookies are essential to the functioning of this site whereas others are non-essential but help us provide a better browsing experience. The wireless TP5000 Si is an easy to install-and-use 5/2 day programmable room thermostat which offers up to six time and temperature changes each day with different programmes for weekdays and weekends. I have also found the following manual for it online and it also doesn't mention Option 40 so I was hoping there was an alternative fix maybe.

If you are unsure on the parts we have a technical team which can assist you at any time during the working day. Years Guaranteed 2 Wired or Wireless Wired Width 110 mm Voltage 230 V Type Programmable Room Thermostat Timer Cycle 2.Over time, even the most reliable thermostats may reach the end of their lifespan, requiring replacement. A big plus with the TP5000 Si is that it incorporates a real time clock and calendar function which eliminates the need for time-setting and BST/GMT time changes. Both thermostats provide advanced features, energy efficiency, and user-friendly interfaces, making them ideal replacements for your current model. Additional Features: Do you prioritize a backlit display and service interval timer (TP5001M) or are basic programming features sufficient?

The TP5000 Si has a large, simple-to-read LCD display and can be easily installed with either mains or battery power.If you're considering upgrading your aging Danfoss TP5000SI (087N791000), Danfoss offers two excellent options: the Danfoss TP5001M and the Danfoss TP5001B. The Danfoss TP5001M excels in providing a reliable and consistent power source through its mains connection. This thermostat is part of the Danfoss range and is an easy to install-and-use 5/2 day programmable room thermostat which offers up to six time and temperature changes each day with different programmes for weekdays and weekends.