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ESi 2 Port 22mm Zone Valve with Lead

Original price £57.99 - Original price £57.99
Original price
£57.99
£57.99 - £57.99
Current price £57.99

The ESI 2 Port 22mm Zone Valve provides reliable motorised control for central heating systems. Designed for professional heating engineers and plu...

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Original price £57.99 - Original price £57.99
Original price
£57.99
£57.99 - £57.99
Current price £57.99

ESi 22mm 2 Port Actuator Head

Original price £38.99 - Original price £38.99
Original price
£38.99
£38.99 - £38.99
Current price £38.99

Designed to suit both 22mm and 28mm 2 port zone valves and fit directly onto the valve body used by other brands. Supplied with two screws making i...

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Original price £38.99 - Original price £38.99
Original price
£38.99
£38.99 - £38.99
Current price £38.99
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ESi 3 Port Zone Valve with lead & Metal Top

Original price £69.73 - Original price £69.73
Original price
£69.73
£69.73 - £69.73
Current price £69.73

Professional 3-port motorised mid-position zone valve with brass body and steel actuator head for reliable heating system control. Connection size:...

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Original price £69.73 - Original price £69.73
Original price
£69.73
£69.73 - £69.73
Current price £69.73
Sold out

ESI Digital room thermostat with TPI

Original price £28.99 - Original price £28.99
Original price
£28.99
£28.99 - £28.99
Current price £28.99

ESI digital room thermostat featuring advanced TPI (Time Proportional & Integral) technology for enhanced energy efficiency and precise tempera...

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Original price £28.99 - Original price £28.99
Original price
£28.99
£28.99 - £28.99
Current price £28.99

ESI Electronic dual hot water cylinder thermostat

Original price £29.99 - Original price £29.99
Original price
£29.99
£29.99 - £29.99
Current price £29.99

With increasing energy costs and the need to safely control the temperature of stored hot water the ESCTDEB dual hot water thermostat has a built i...

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Original price £29.99 - Original price £29.99
Original price
£29.99
£29.99 - £29.99
Current price £29.99

ESI Mechanical Room Thermostat

Original price £12.90 - Original price £12.90
Original price
£12.90
£12.90 - £12.90
Current price £12.90

Simple and economical mechanical room thermostat with electronic internals for energy efficiency. ESI ESRTM features a large, clear adjustable dial...

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Original price £12.90 - Original price £12.90
Original price
£12.90
£12.90 - £12.90
Current price £12.90

ESI Programmable Room Thermometer ESRTP4+

Original price £29.99 - Original price £29.99
Original price
£29.99
£29.99 - £29.99
Current price £29.99

our ESRTP4+ is one of the most reliable and value for money domestic heating controls available.With the ability to control combi boilers, system o...

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Original price £29.99 - Original price £29.99
Original price
£29.99
£29.99 - £29.99
Current price £29.99

ESI Three channel programmer

Original price £58.50 - Original price £58.50
Original price
£58.50
£58.50 - £58.50
Current price £58.50

A quick to install, reliable and simple to use 3 channel programmer which offers the user full flexibility to control two heating zones & a hot...

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Original price £58.50 - Original price £58.50
Original price
£58.50
£58.50 - £58.50
Current price £58.50

ESI Twin channel programmer

Original price £53.50 - Original price £53.50
Original price
£53.50
£53.50 - £53.50
Current price £53.50

Professional twin channel programmer for independent heating and hot water control. Features large LCD display with blue backlight and flexible pro...

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Original price £53.50 - Original price £53.50
Original price
£53.50
£53.50 - £53.50
Current price £53.50

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