Building Supplies » Heating & Cooling

Grundfos Alpha2 15/60 Domestic Circulator Bare Pump 98119377 *NEW* 12 months warranty

Grundfos Alpha2 15/60 Domestic Circulator Bare Pump 98119377 *NEW* 12 months warranty

Grundfos Alpha2 15/60 Domestic Circulator Bare Pump 98119377 *NEW* 12 months warranty


Riello 3008652 Oil Burner Control Box 535 SE/LD RDB

Riello 3008652 Oil Burner Control Box 535 SE/LD RDB

Riello 3008652 Oil Burner Control Box 535 SE/LD RDB - Riello Part no. 3008652 - Suitable for a very large number of boilers which are powered by the Riello RDB - Boulter, Camray, Firebird, Grant, Merlin, Myson, Mistral, Potterton, Trianco - Vaillant, Worcester, Warmflow and more


Drayton 27206 28mm 3-Port Motorized Valve

Drayton 27206 28mm 3-Port Motorized Valve

Drayton MA1 28mm 3 Port Mid Position Motorised Valve - Drayton Motorised Valves The Drayton 28mm 3 Port Motorised, diverter and mid position Valves are available in 22mm, 28mm and 3/4" sizes.  All Drayton Motorised Valve models feature new “snap-onâ€actuators and have industry-standard wiring and dimensions. Drayton MA1 28mm 3 Port Mid Position Motorised Valve Features & Benefits: New “snap-on†actuators can be removed at the push of a button Positive fuel saving control 2 Port, diverter and mid-position availablein 22mm, 28mm and 3?4" sizes 100% tight shut off Manual lever and valve position indicator Spring return Replaceable actuators Replaceable motors Simple industry-standard wiring Easily replaces most makes - All models ...


ATC-800+ dual temperature thermostat + Digital Auto Aquarium Temperature Control

ATC-800+ dual temperature thermostat + Digital Auto Aquarium Temperature Control

The Temperature Controller with a large Three -digit LED LCD display,it has an all-in-one package works with both heating and cooling system control temperature by setting the temperature setting value and the difference value, and when temperature exceeds measuring range, or sensor open circuit or short circuit will alarm warning - An all-in-one package works with both heating and cooling system. - Built-in short circuit sensor; - It built-in short circuit sensor ,automatic control for aquariums and other systems that require constant regulation-avoid hassle of monitoring your aquarium environment. - Features: - Temperature measuring range: -50℃ ~ +99℃ - Relative humidity: 20% ~ 85% (No condensate) - Resolution: 0.1℃ (-19.9~99℃) - Accuracy: ±1℃ (-50℃ ...


HRVU DHV-15B HEAT RECOVERY VENTILATION FULL SYSTEMS ANTI CONDENSATION AND MOULD

HRVU DHV-15B HEAT RECOVERY VENTILATION FULL SYSTEMS ANTI CONDENSATION AND MOULD

Unit Specification - Model: DHV-15B - Unit size (mm): 746 x 507 x 240 - Weight (Kgs): 19 - Airflow(high/med/low): 150/130/110M3/h - Noise Level: 29dBA - Controller: on / off (comes supplied) - 2 Room kit: - 2 x Ceiling Vents - 2 x Wall Grilles - 20m Insulated Ducting - 8 x Ties - 3 Room kit: - 3 x Ceiling Vents - 1 x Tee - 2 x Wall Grilles - 30m Insulated Ducting - 12 x Ties - 4 Room kit: - 4 x Ceiling Vents - 2 x Tees - 2 x Wall Grilles - 40m Insulated Ducting - 16 x Ties - 5 Room kit: - 5 ...


ESI - Energy Saving Innovation Controls ES1247 1-Channel Programmer

ESI - Energy Saving Innovation Controls ES1247 1-Channel Programmer

This one channel programmer can be used where both heating and hot water services are required to switch ON/OFF at the same time. Ideal for controlling the heating in a system using a Combination Boiler or for standard systems where the plumbing requires both heating and hot water to be controlled simultaneously. Can also be used for additional heating zones in retrofit where a two or three channel programmer is already installed, or when additional hot water is required. Large display with a Boost and an Advance facility and automatic adjustment for British summer time. - 24 hour, 5/2 day and 7 day selectable all in one unit - All pre-programmed & ready to use, with automatic summer/winter time adjustment ...


Salus 7 Day Programmer Twin Channel

Salus 7 Day Programmer Twin Channel

Easy to read LCD screen with blue back light, 3 on off periods with advance one hour function, Holiday function and memory backup,,Twin channel individual control of central heating and hot water - Easy to read LCD screen with blue back light - 3 on / off periods with advance one hour function - Holiday function and memory back-up


Danfoss Randall BRF Plus RX1 Thermostat

Danfoss Randall BRF Plus RX1 Thermostat

DANFOSS RET B-RF+RX-1 WIRELESS THERMOSTAT & RECIEVER - Modern stylish design - Battery driven, electronic accuracy - Large, easy to use setting dial - LCD displays set temperature and actual temperature


Inkbird Itc1000 12V All Purpose Digital Temperature Controller Centigrade and Fahrenheit Display Thermostat with Sensor 2 Relays

Inkbird Itc1000 12V All Purpose Digital Temperature Controller Centigrade and Fahrenheit Display Thermostat with Sensor 2 Relays

Mounting dimension: - Front Panel Size: 75(L)*34.5(W)mm Mounting Size: 71(L)*29(W)mm - Product Size:75(L)*34.5(W)*85(D)mm - Sensor Length: 2m (include the probe) - Technical Parameter: - Output: 2 Relays - Temperature Measuring Range: -50~210 oF / -50 oC-99 oC - Resolution: 0.1 oF / 0.1 oC - Accuracy: ±1 oF(-50 oF -160 oF)/ ±1 oC(-50 oC -70 oC) - Power Supply: 12VAC 50Hz/60Hz - Power Consumption: 3W - Sensor: NTC Sensor - Relay Contact Capacity: Cooling (10A/250VAC)/ Heating (10A/250VAC); - Ambient Temperature: 0 oC-60 oC - Storage Temperature: -30 oC-75 oC - Relative Humidity: 20-85% (No Condensate) - Package Content: - 1 x ITC-1000 Temperature controller 12V - 1 x 2M NTC Sensor - 1 x ...


ESI - Energy Saving Innovation Controls ESZVA223 Actuator for 22 mm 3-Port Zone Valve

ESI - Energy Saving Innovation Controls ESZVA223 Actuator for 22 mm 3-Port Zone Valve

A direct replacement for the market leader - 'Plug & Play' detachable lead and simple click on/off actuator head for quick and easy installation - Proven and reliable with quiet operation with minimum power usage