ESI Controls 3 Port Motorised Zone Valve Replacement Actuator Head - ESZVA3LM

ESi detachable replacement actuator head is designed to suit both 22mm and 28mm 3 port motorised zone valves. Replacing the head is simple and it can fit directly onto valve bodies used by ESi and other bodies of market leaders with the supplied screws. Excellent performance and reliability make this actuator head a perfect solution for many domestic households.

ESI Controls Mistral Grey Programmable Wireless Room Thermostat - OpenTherm

Experience exceptional control and energy efficiency with this advanced thermostat, designed to enhance your home heating system. Leveraging cutting-edge OpenTherm technology, it intelligently adjusts your boiler's flow temperature to minimise gas usage and keep your energy bills in check. Whether you have a combi, system, or heat-only boiler, or even a heat pump, this thermostat's compatibility offers you the flexibility you need. With dual-channel operation for both heating and hot water, this smart device can be managed directly or remotely via your smartphone or tablet, allowing you to tailor your home environment to perfectly match your daily routine. Its flexible programming options, including 7-day, 5-2 day, or 24-hour schedules, ensure convenience and efficiency. The Optimum Start/Stop feature maximises energy savings, while the boost facility provides immediate comfort when needed.

ESI Controls Mistral White Programmable Wireless Room Thermostat - OpenTherm

Experience the ultimate in home heating control and efficiency with this advanced thermostat. Designed with the latest OpenTherm technology, it intelligently minimises your boiler's flow temperature, significantly reducing your gas usage and lowering energy bills.Its broad compatibility with combi boilers, system boilers, heat-only boilers, and heat pumps ensures it fits seamlessly into various heating setups. Whether you choose to control it directly or via your mobile phone or tablet, this thermostat adapts to your lifestyle with ease. Boasting a flexible 2-channel design for both heating and combined heating with hot water control, this thermostat offers unparalleled customisation for your home. Enjoy the ability to tailor your heating schedule with options for 7-day, 5-2 day, or 24-hour programming, complemented by advanced features like Optimum Start/Stop and multiple scheduling choices. When used with the ESi wireless cylinder thermostat, you gain precise control over your hot water time and temperature. An added boost function provides a quick burst of warmth whenever needed, all while maintaining an impressive ErP product class 5 rating for exceptional energy efficiency.

ESI Controls 28mm Compression 2 Port Motorised Zone Valve - ESZV282LM

This 2 port motorised zone valve from ESI is your go to choice and replacement for the market leader. The spring return actuators are simple to fit and come complete with a 1metre cable length with 5 standard wire colors. With their high reliability and great performance you can guarantee you are buying a product with value, simplicity and quality in mind. The valve is used to zone your hot water or central heating circuit. Actuators can also be purchased separate.

ESI Controls Stratus 6 Series Smart Wireless Programmable Room Thermostat & Stand Black/Grey

The Stratus 6 Series Smart Wireless Programmable Room Thermostat offers a seamless solution for managing home heating and hot water needs with precision and ease.Ideal for use with a variety of heating systems including combi boilers, heat pumps, and heat-only boilers, this modern thermostat combines functionality with sleek aesthetics in a black and grey finish. Enjoy the convenience of controlling your environment through its digital display, or take advantage of its smart capabilities by connecting via the ESI Centro App on your mobile device, or through voice commands using Alexa. With the integration of OpenTherm technology, the Stratus 6 Series efficiently modulates boiler flow temperature, optimizing energy use and leading to cost savings.

ESI Controls Stratus 6 Series Smart Wireless Programmable Room Thermostat & Stand White

The Stratus 6 Series Smart Wireless Programmable Room Thermostat is a versatile and intelligent solution for seamlessly managing your home's heating and hot water systems.Compatible with combi boilers, heat pumps, and system & heat-only boilers, this programmable thermostat offers precise control via a sleek digital display, or remotely through the ESI Centro App on your smartphone or tablet. Elevate your smart home experience by integrating with Alexa for convenient voice control and additional energy savings. The device features OpenTherm communication to ensure optimal boiler flow temperature regulation, contributing to energy efficiency and cost reduction. Flexibly powered by either the included 4 x AA batteries or a USB-C cable, this thermostat, with its modern white finish, blends effortlessly into any home decor.

ESI Controls Wireless Programmable Thermostat - ESRTP4RFW

Wireless programmable thermostat Simple to install Pre-paired thermostat & receiver 7 day, 5/2 day or 24 hour programming options Option of 6 time and temperature options per day Wall or stand (included) mounting Pre-set built-in programme Automatic summer/winter time change Load compensation with OpenTherm Optimum start/stop, delayed start & TPI technology for maximum energy savings Landlord service reminder, ideal for social housing or rental properties Upgrade to smart control with the addition of ESWIFIHUB (sold separately) 3 Year manufacturer warranty

ESI Controls Mechanical Room Thermostat with Dial - ESRTM

Old style dial thermostatEasy to use and simple installationSurface mountedLarge adjustable dialAudible click at current temperatureFits on industry standard backplateVolt free contacts

ESI Controls 16 Amp Single Channel Multi Purpose Timeswitch - ES1247B16A

The ES1247B16A is a 16 Amp single channel multi purpose timeswitch which is ideal for use with immersion heaters and electric boilers. With easy installation the feature packed controller gives the homeowner both reliability and simple functionality.Ideal for immersion heaters and electric boilers16(4)A load rating24 hour, 5/2 day or 7 day operation2 or 3 on/offs per dayAutomatic Summer/Winter time changeFactory set clock & dateBoost only availableLandlord service interval facilityFits industry standard back-plateEasy to use & quick installation3 year warranty

ESI Controls Wireless Battery Powered Cylinder Thermostat - ESCTP-RF

Easy to use & quick to installNo mains cable required in the airing cupboard reducing installation time and cost1 metre cable allowing cylinder or wall mountingBatteries included (2 x AAA)Control via your smart device when connected to our 6 series room thermostat7 day, 5/2 day or 24 hour programming options via the Centro AppUp to 3 hour boost facility offering flexibility for the user

ESI Controls 12 Way Wiring Centre - ESWC1

Compatible with most heating systemsEasy to use and quick installationSimplifies wiring and circuit testingReduction in installation timeRobust fire retardant ABSDedicated terminal block for each system component

ESI Controls 3 Channel Programmer - ES3247B

3 channel programming24 Hour, 5/2 day or 7 day operation2 or 3 on/offs per dayAutomatic BST/GMT time changeFactory set clock & dateSimple overridesEasy to fit backplateEasy to use & quick installation3 year warranty

ESI Controls Touch Wireless Programmable Room Thermostat - ESRTP4TOUCH

Easy to read large screen suitable for all users7 day, 5/2 day or 24 hour programming optionsOpenTherm communication, can save up to 15% gas use when fitted to an OpenTherm compatible boilerDomestic hot water setpoint control for use with S or Y plan systemsHoliday modeBatteries includedWall or stand mounted (both included)Optional upgrade to SMART control through mobile/tablet via the ESi WiFi hub3 year warranty

ESI Controls WI-FI Connection Hub

ESI Controls Clamp-On Cylinder Thermostat - ESCTS

ESI Controls Single Channel Programmer Timeswitch - ES1247B

The ES1247B is a single channel electronic timeswitch for central heating. Simple installation and reliability giving you complete control of your heating helping lower costs. 24 hour, 5/2 day or 7 day operation 2 or 3 on/offs per day Automatic BST/GMT time change Factory set clock & date Simple overrides Fits industry standard backplate Easy to use & quick installation 3 year warranty

ESI Controls 2 Port Motorised Zone Valve Replacement Actuator Head - ESZVA2LM

ESi detachable replacement actuator head is designed to suit both 22mm and 28mm 2 port motorised zone valves. Replacing the head is simple and it can fit directly onto valve bodies used by ESi and other bodies of market leaders with the supplied screws. Excellent performance and reliability make this actuator head a perfect solution for many domestic households.

ESI Controls Digital Room Thermostat with Delayed Start - ESRTD3

The ESRTD3 is a hard wired mains powered digital display room thermostat with TPI and a delayed start. This functionality can produce up to 10% energy savings against older mechanical thermostats.Easy to use & quick installationClear LCD displayLarge adjustable dialLCD to signal heat demandTPI energy saving technologyDelayed startControl accuracy of +/-0.6°C3 year warranty

ESI Controls Electronic Dual Hot Water Cylinder Thermostat - ESCTDEB

The ESCTDEB is a dual hot water cylinder thermostat with energy saving and legionella prevention at the heart of its design. Easy to use & quick installation Accurate temperature control Automatic override killing legionella bacteria Clear LCD display Large adjustable dial LCD to signal heat demand Energy saving 3 year warranty

ESI Controls Wired Programmable Room Thermostat - ESRTP4+

The ESRTP4+ is a simple to install 7 day, 5/2 day or 24 hour wired programmable room thermostat. It can be used to control a central heating circuit in a central heating system and is also well suited for controlling combi boiler installations or when adding additional zones to a heating system. The battery powered unit can provide up to 6 on/off periods per day and has many energy saving features including TPI technology and optimum start and delayed stop functions. Time and date are factory set reducing installation set up times and the unit is simple to function with its large backlit LCD screen.

ESI Controls 22mm Compression 2 Port Motorised Zone Valve - ESZV222LM

ESZV222LM 2 port 22mm motorised valve is a durable brass bodied valve with a steel actuator and industry standard wiring, allowing quick and simple replacement for other brands.This 2 port motorised zone valve from ESI is your go to choice and replacement for the market leader. The spring return actuators are simple to fit and come complete with a 1metre cable length with 5 standard wire colors. With their high reliability and great performance you can guarantee you are buying a product with value, simplicity and quality in mind. The valve is used to zone your hot water or central heating circuit.

ESI Controls Twin Channel Programmer - ES2247B

The ES2247B is a twin channel programmer for central heating and hot water. Simple installation and reliability giving you complete control of your heating and hot water when best suits you and helping manage and lower costs.24 hour, 5/2 day or 7 day operation2 or 3 on/offs per dayAutomatic BST/GMT time changeFactory set clock & dateSimple overridesFits industry standard backplateEasy to use & quick installation3 year warranty

ESI Controls 22mm Compression 3 Port Motorised Valve - ESZV223LM

ESZV223LM 3 port 22mm motorised zone valve is a durable brass bodied valve with a steel actuator and industry standard wiring, allowing quick and simple replacement for other brands.22mm compression connectionsDirect replacement for market leaderQuiet operationQuick release actuator head for maintenanceReplacement actuator availableSpring return actionManual lever to fill or drain systemEasy to install5 year warranty

ESI Controls Wireless Digital Room Thermostat with LCD Display - ESRTERFW

Easy to install wireless control - need for additional wiring Large, clear adjustable dial LCD display Surface mounted Temperature control accuracy of +/- 0.6°C Easy-fit back plate Wireless Easy to use & quick to install TPI technology to help save gas L85mm x H85mm x D35mm 3 Year warranty