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ESi

ESI Controls specializes in innovative, energy-efficient heating controls that make managing home and commercial heating systems simple and effective. See More

ESI Controls specializes in innovative, energy-efficient heating controls that make managing home and commercial heating systems simple and effective. Known for smart thermostats, programmers, and zone controls, ESI products are designed to reduce energy costs and improve comfort by providing precise temperature control. Easy to install and user-friendly, ESI Controls are perfect for both new installations and system upgrades, offering reliable, eco-friendly solutions for modern heating needs. With ESI Controls, users gain convenience, control, and energy savings, making it a top choice for homeowners, installers, and property managers seeking quality and efficiency in heating control systems.

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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

£55.45 inc. VAT / £46.21 ex. VAT

ESi 2 Port Motorised Zone Valve 22mm - ESZV222LM

Ref: HCON028

2 port
Size: 22mm
Quiet operation

£39.07 inc. VAT / £32.56 ex. VAT

ESi Electronic Digital Room Stat RF - ESRTERFW

Ref: HCON008

Large, clear adjustable dial
TPI technology
LCD display

£41.71 inc. VAT / £34.76 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

£36.06 inc. VAT / £30.05 ex. VAT

ESi 3 Port Motorised Zone Valve 22mm - ESZV223LM

Ref: HCON027

3 port
Size: 22mm
Quiet operation

£59.11 inc. VAT / £49.26 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

£32.68 inc. VAT / £27.23 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

£9.28 inc. VAT / £7.73 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

£30.41 inc. VAT / £25.34 ex. VAT

ESi Auto Bypass Valve Straight - ESABV22S

Ref: HCON032

22mm compressing fitting
Reduces system noise
16 bar maximum pressure

£12.74 inc. VAT / £10.62 ex. VAT

ESI 2 Port Zone Valve 28mm - ESZV282N

Ref: HCON019

2 port zone valve
28mm
Quiet operation, minimum power

£54.62 inc. VAT / £45.52 ex. VAT

ESi Electronic Dual Cylinder Thermostat with Adjustable Boost - ESCTDEB

Ref: HCON018

Energy saving product
Accurate temperature control
Clear & informative LCD display

£20.59 inc. VAT / £17.16 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

£38.94 inc. VAT / £32.45 ex. VAT

ESi Hot Water Cylinder Stat - Strap - ESCTS

Ref: HCON014

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

£10.09 inc. VAT / £8.41 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

£41.70 inc. VAT / £34.75 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

£28.44 inc. VAT / £23.70 ex. VAT

ESi WiFi Programmable Room Thermostat Flush Mounted (Hardwired) ESRTP5WF

Ref: HCON010

5 & 6 Series Interchangeable Backplate
WiFi control from your mobile or tablet
Delayed Start & TPI Technology

£87.66 inc. VAT / £73.05 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

£16.10 inc. VAT / £13.42 ex. VAT

ESi RTP6 Smart WiFi Programmable Wireless Room Thermostat (Stand Mounted) White - ESRTP6WHW-W

Ref: HCON034

OpenTherm connectivity
7 day, 5/2 day or 24 hour programming options
Control heating via the thermostat or mobile phone/tablet

£111.74 inc. VAT / £93.12 ex. VAT

ESi RTP6 Smart WiFi Programmable Wireless Room Thermostat (Stand Mounted) Grey - ESRTP6WHW-G

Ref: HCON033

OpenTherm connectivity
7 day, 5/2 day or 24 hour programming options
Control heating via the thermostat or mobile phone/tablet

£111.74 inc. VAT / £93.12 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

£149.27 inc. VAT / £124.39 ex. VAT

ESi Electronic Digital Room Stat - ESRTD2

Ref: HCON007

Large, clear adjustable dial
TPI Technology
LCD display

£20.38 inc. VAT / £16.98 ex. VAT

ESi WiFi Programmable Room Stat Wireless - ESRTP5RFWiFiP

Ref: HCON012

5 & 6 Series Interchangeable Backplate
Wi-Fi control from your smartphone or tablet
Delayed Start & TPI Technology

£102.00 inc. VAT / £85.00 ex. VAT

ESi Wiring Centre - WC1

Ref: HCON016

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

£9.32 inc. VAT / £7.77 ex. VAT

ESI 3 Port Zone Valve 22mm - ESZV223P

Ref: HCON023

A direct replacement for the market leader
Spring return action
Manual lever for filling/draining the system

£52.37 inc. VAT / £43.64 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

£148.99 inc. VAT / £124.16 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

£63.22 inc. VAT / £52.68 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

£64.50 inc. VAT / £53.75 ex. VAT

ESi Auto Bypass Valve - ESABV22

Ref: HCON031

22mm compressing fitting
Reduces system noise
16 bar maximum pressure

£12.74 inc. VAT / £10.62 ex. VAT

ESi 2 Port Zone Valve 22mm - ESZV222L

Ref: HCON021

A direct replacement for the market leader
Spring return action
Manual lever for filling/draining the system

£34.61 inc. VAT / £28.84 ex. VAT

ESi Electronic Room Stat - ESRTE2

Ref: HCON006

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

£10.18 inc. VAT / £8.48 ex. VAT

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