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ESi Thermostats | ESi Wireless & Programmable Room Thermostats

ESi home heating controls and programmable thermostats makes managing your heating and energy efficiency easy. Available in both wireless models and simple wall-mounted wired controls, an ESi thermostat can either manage individual rooms or a full smart home heating set-up from an app.

ESi home heating controls and programmable thermostats makes managing your heating and energy efficiency easy. Available in both wireless models and simple wall-mounted wired controls, an ESi thermostat can either manage individual rooms or a full smart home heating set-up from an app.

Wired Thermostats

Wireless Thermostats

Smart Thermostats

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ESi Wireless RF Programmable Room Thermostat - ESRTP4RFW

Ref: HCON029

OpenTherm connectivity – save up to 15% on gas use
Easy-to-install wireless control
Optional upgrade to smart control with ESi WiFi Hub ESWIFIHUB

£57.68 inc. VAT / £48.07 ex. VAT

ESi Programmable RF Room Thermostat - ESRTP4RF+

Ref: HCON025

Landlord Service Interval Reminder
Auto, Manual, Override and Off modes
Energy saving, optimum start, optimum stop, delayed start and TPI selectable

£56.56 inc. VAT / £47.13 ex. VAT

ESi 2 Port Motorised Zone Valve 22mm - ESZV222LM

Ref: HCON028

2 port
Size: 22mm
Quiet operation

£45.98 inc. VAT / £38.32 ex. VAT

ESi Electronic Digital Room Stat RF - ESRTERFW

Ref: HCON008

Large, clear adjustable dial
TPI technology
LCD display

£46.38 inc. VAT / £38.65 ex. VAT

ESi 2 Channel Programmer - ES2247B

Ref: HCON002

7 day, 5/2 or 24 hour operation
2 on/offs or 3 on/offs per day
Automatic BST/GMT 1 hour time change

£40.09 inc. VAT / £33.41 ex. VAT

ESi 3 Port Motorised Zone Valve 22mm - ESZV223LM

Ref: HCON027

3 port
Size: 22mm
Quiet operation

£69.59 inc. VAT / £57.99 ex. VAT

ESi Single Channel Programmer - ES1247B

Ref: HCON001

Large, easy to read LCD with blue back light
7 day, 5/2 or 24 hour operation
2 on/offs or 3 on/offs per day

£36.31 inc. VAT / £30.26 ex. VAT

ESi Mechanical Room Thermostat - ESRTM

Ref: HCON005

Volt free contacts
Audible click when dial is turned past current temperature & system is turned ON/OFF
Surface mounted

£10.32 inc. VAT / £8.60 ex. VAT

ESi Electronic Dual Cylinder Thermostat with Adjustable Boost - ESCTDEB

Ref: HCON018

Energy saving product
Accurate temperature control
Clear & informative LCD display

£22.90 inc. VAT / £19.08 ex. VAT

ESI 2 Port Zone Valve 28mm - ESZV282N

Ref: HCON019

2 port zone valve
28mm
Quiet operation, minimum power

£61.22 inc. VAT / £51.02 ex. VAT

ESi Programmable Room Thermostat - ESRTP4+

Ref: HCON009

Landlord Service Interval Reminder
Auto, Manual, Override & Off modes
Energy saving, optimum start, optimum stop, delayed start & TPI selectable

£33.16 inc. VAT / £27.63 ex. VAT

ESi 2 Port Actuator Head - ESZVA2PM

Ref: HCON036

A direct replacement for the market leader
Comes with two screws, so it can be fitted on other popular manufacturers bodies
Features a manual lever for quick draining and filling

£33.48 inc. VAT / £27.90 ex. VAT

ESi Auto Bypass Valve Straight - ESABV22S

Ref: HCON032

22mm compressing fitting
Reduces system noise
16 bar maximum pressure

£14.71 inc. VAT / £12.26 ex. VAT

ESi Mechanical Dual Cylinder Stat - ESCTD

Ref: HCON015

Suitable for all hot water tanks & cylindersAccurate temperature control
Jumper to minimise wiring
Concealed manual reset

£17.90 inc. VAT / £14.92 ex. VAT

ESi Three Channel Programmer - ES3247B

Ref: HCON003

3 independent time controlled channels
Landlord Service Interval Reminder
7 day, 5/2 or 24 hour operation

£46.38 inc. VAT / £38.65 ex. VAT

ESi WiFi Hub - ESWIFIHUB

Ref: HCON038

Upgrade your ESi thermostats to smart thermostats
Control your heating and hot water via the ESi Centro app
Can be voice controlled through Alexa

£68.94 inc. VAT / £57.45 ex. VAT

ESi Hot Water Cylinder Stat - Strap - ESCTS

Ref: HCON014

Double insulated
Bimetallic sensor ensures accurate hot water temperature control
Wide temperature range

£11.22 inc. VAT / £9.35 ex. VAT

ESi 3 Port Actuator Head - ESZVA223

Ref: HCON024

A direct replacement for the market leader
Plug & Play
Proven and reliable with quiet operation with minimum power usage

£45.83 inc. VAT / £38.19 ex. VAT

ESi Mistral Wireless Programmable Room Thermostat Grey - ESRTP8W-G

Ref: HCON042

OpenTherm connectivity to save up to 15% on gas use
WiFi ready straight out the box
Can be controlled via Centro App or Alexa

£107.10 inc. VAT / £89.25 ex. VAT

ESi 4Touch Wireless Room Thermostat - ESRTP4TOUCH

Ref: HCON037

Wireless programmable room thermostat
Uses OpenTherm communication
Domestic Hot Water (DHW) set point control for use with S or Y plan systems

£68.96 inc. VAT / £57.47 ex. VAT

ESi 2 Port Motorised Zone Valve 28mm - ESZV282LM

Ref: HCON043

2 port
Size: 28mm
Quiet operation

£64.28 inc. VAT / £53.57 ex. VAT

ESi Electronic Digital Room Stat - ESRTD2

Ref: HCON007

Large, clear adjustable dial
TPI Technology
LCD display

£22.67 inc. VAT / £18.89 ex. VAT

ESi Electronic Room Stat - ESRTE2

Ref: HCON006

Large, clear adjustable dial
Neon indicator when system is turned ON/OFF
Double insulated

£11.32 inc. VAT / £9.43 ex. VAT

ESi Wiring Centre - WC1

Ref: HCON016

Simplifies wiring and circuit testing
Suited to all popular heating systems
Reduces installer time

£10.38 inc. VAT / £8.65 ex. VAT

ESi Mistral Wireless Programmable Room Thermostat White - ESRTP8W-W

Ref: HCON041

OpenTherm connectivity to save up to 15% on gas use
WiFi ready straight out the box
Can be controlled via Centro App or Alexa

£107.10 inc. VAT / £89.25 ex. VAT

ESi S Plan Kit - ES2SPLAN

Ref: HCON017

Kit contains: 2 channel programmer (ES2247B), 2x motorised zone vales (ESZV222L), electronic room thermostat (ESRTE2), clamp-on cylinder thermostat (ESCTS) & 12 way wiring centre (ESWC1)
Economical
Pre-boxed

£167.58 inc. VAT / £139.65 ex. VAT

ESi Cirrus Wired Programmable Room Thermostat Grey - ESRTP8-G

Ref: HCON046

OpenTherm connectivity to save up to 15% on gas use
WiFi ready straight out the box
Can be controlled via Centro App or Alexa

£49.98 inc. VAT / £41.65 ex. VAT

ESi Wireless Heating and Hot Water Control Kit - ES3PRFK

Ref: HCON039

Programmable wireless RF (radio frequency) kit
Kit supplied with Room and Cylinder Thermostat and RF 3 Channel Programmer
Can be upgraded to Wifi control via the ESi Wifi Hub

£165.68 inc. VAT / £138.07 ex. VAT

ESi Cirrus Wired Programmable Room Thermostat White - ESRTP8-W

Ref: HCON045

OpenTherm connectivity to save up to 15% on gas use
WiFi ready straight out the box
Can be controlled via Centro App or Alexa

£49.98 inc. VAT / £41.65 ex. VAT

ESi Auto Bypass Valve - ESABV22

Ref: HCON031

22mm compressing fitting
Reduces system noise
16 bar maximum pressure

£14.71 inc. VAT / £12.26 ex. VAT

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