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  1. ESi Controls 22mm 3 Port Motorised Zone Valve ESZV223LM BNIB FREE TRACKED 24

  2. ESI Controls 3 Channel Multi-Purpose Central Heating Programmer Timer ES3247B

    eBay

  3. ESI Energy Saving Innovation Controls ESRTD2 Electronic Room FREE P&P

    The ESRTD2 is a battery powered Electronic Room Thermostat that is economical and simple to use. The ESRTD2 includes a LCD display which displays the current room temperature. Large, clear adjustable dial.

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  4. ESI - Energy Saving Innovation Controls ESRTP4+ Wired Programmable Room Thermost

    The ESRTP4 has all the energy savings features such as TPI, Delayed Start and Optimum Stop and the all-important Landlord Service Interval.Battery powered for ease of installation, the ESRTP4 has a large, easy-to-read blue backlit LCD display.

    eBay

  5. ESI 3 Channel Multi Purpose Central Heating Programmer 7day, 5/2 day or 24 hour

    3 channel programming. Factory set clock & date. 3 year warranty.

    eBay

  6. ESI Wireless Digital Central Heating Thermostat: Easy Fit & Precise Temp Control

    eBay

  7. ESI Controls 2 port Zone Valve 22mm ES222ZV REFS51

    NEW WITH VAT

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  8. ESI - Energy Saving Innovation Controls ESRTERFW Wireless Electronic Room Therm

    Quick 2 wire installation with Volt Free contacts, wireless thermostat & industry standard back plate for quick & easy installation.

    eBay

  9. ESI Wireless Programmable Room Thermostat ESRTP4RF+ Boiler Plus Compliant

    The new wireless programmable room thermostat.

    eBay

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