Sensors

Humidity Sensors, PIR, Thermostat and Pressure Switches

Displaying 1 to 24 (of 45 products)
Air Quality Sensor - AQS
Air Quality Sensor - AQS
£ 98.29 now £ 65.00
Provides fully automatic control. Detects contaminants such as cigarette smoke, body odours, toilet odours and cooking smells. Activates ventilation system when preset threshold is reached. Can ...
Digital Room Thermostat - DRT
Digital Room Thermostat - DRT
£ 57.96
Digital room thermostat with set-point adjust. Change-over contacts for both heat and ventilation. Electronic not mechanical switching. Rated at 5 amps, (3 amps inductive)....
Differential Pressure Switch - 20 - 300 Pa - IP65
Differential Pressure Switch - 20 - 300 Pa - IP65
£ 71.17
Differential Pressure Switch - FPS2 - working range - 20 - 300 Pa - IP65 Differential pressure switch for air and non-corrosive gasses, these highly sensitive air differential pressure switches are...
Manrose Humidistat - 1361
Manrose Humidistat - 1361
£ 65.00
Variable from 20 to 90 degrees relative humidity. Is usually fitted remotely to the fan. Humidity AND over-run timer....
PIR Sensor - PIR4
PIR Sensor - PIR4
£ 29.62
A PIR detector ideal for use in buildings, stairwells, corridors, warehouses, toilet lobbies or any area where ventilation or lighting is only required upon occupancy. Features • Fits standard 1 g...
Remote Humidistat - XRH
Remote Humidistat - XRH
£ 79.00
Automatically switches on when the relative humidity reaches an adjustable preset point and off again when it drops. Features Pull cord override switch. Fan Indicator light. Surface or recess moun...
Room Humidistat - HS1_hdt
Room Humidistat - HS1_hdt
£ 113.39
Electronic Room humidistat to monitor humidity levels of 30-100 %RH suitable for switching extract fans, alarms or de-humidifiers ~ Set of volt free changeover contacts ~ Rating 5Amp, 2A inductive...
Commercial Thermostat - TH16
Commercial Thermostat - TH16
£ 129.00
Product description. * Thermostat for controlling fans depending on the air temperature. * It is possible to operate the fan with increasing or decreasing air temperature mode selected. ...
Gas Interlock system with Keyswitch
Gas Interlock system with Keyswitch
£ 171.94
The GVI-001 is a gas interlock control system that either pressure switches or current sensors to prove airflow and when that airflow is proved then a electrical supply is made available to the gas v...
SCHT-AD Intelligent elements for demand controlled ventilation
SCHT-AD Intelligent elements for demand controlled ventilation
£ 1,180.60
SCHT-AD Intelligent elements for demand controlled ventilation Ambient CO2 sensor, temperature and relative humidity with display...
TG-K Duct temperature sensor
TG-K Duct temperature sensor
£ 64.08
Duct temperature sensor. used in conjunction with electric heater and controller. NTC type with linear scale. Protection class IP20. Models: - TG-K330: from 0 to 30ºC. - TG-K360: from 0 to 60º...
TG-R room temperature sensor
TG-R room temperature sensor
£ 64.64
Used in conjunction with electric heaters and controllers. NTC type with linear scale. Range of temperature 0-30ºC. Protection class IP30. 2 models: - Room sensor with set point adjustment, 0-3...
BEAS-control module
BEAS-control module
£ 217.64
BEAS-control module Control module that can adapt theall/nothing proportional input signal of a detector or a probe to control a motorised flap, or a two-speed single phase or DC_fan, in minimum/...
TG-K3/NTC10-01 -  Duct temperature sensor
TG-K3/NTC10-01 - Duct temperature sensor
£ 38.54
Duct temperature sensor. Used in conjunction with electric heater and controller. NTC type with linear scale. Resistance from 1.7K to 177K. Protection class IP20. -30 to +70 degrees C Compatible ...
SCO2-A Ambient CO2 and Temperature Sensor
SCO2-A Ambient CO2 and Temperature Sensor
£ 526.32
SCO2-A Ambient CO2 and Temperature Sensor for use in S&P on demand ventilation systems....
Thermostat - Adjustable Room Thermostat - 230V
Thermostat - Adjustable Room Thermostat - 230V
£ 28.90
Thermostat for wall mounting in a room to switch fans on or off at required temperature. Mechanical type switching...
S-ET 10 Motor Protection
S-ET 10 Motor Protection
£ 48.75
The S-ET 10 (for wall mounting) switch off the supply voltage to the motor when the thermal contact in the motor windings is tripped. The motor protector is connected to a 230V supply and also to the ...
AES-Fire control unit
AES-Fire control unit
£ 686.37
AES-0,37KW,D, control unit • Exhaust air and smoke extraction switchgear with direct switching • All functions in accordance with VDMA 24177 / DIN/VDE 0660 • In plastic housing • Motorpr...
Pulser Temperature control
Pulser Temperature control
£ 119.73
Pulser Temperature control Electronic temperature control The Pulser is a single or two-phase temperature regulator for controlling heater batteries. This device is connected in serie...
Atex Motor Protection Switch - U-EK230E EX
Atex Motor Protection Switch - U-EK230E EX
£ 136.27
Thermistor motor protection The U-EK 230E is a thermistor motor protection device which is intended for use in conjunction with a contactor for the protection of the Atex fans in the DKEX, KTEX ...
Duct Humidistat - HS4_hdt
Duct Humidistat - HS4_hdt
£ 241.92
Electronic inline Duct humidistat to monitor humidity levels of 30-100 %RH suitable for switching extract fans, alarms or de-humidifiers ~ Size 108mmx72mmx72mm - Probe length 225mm. ~ Set of volt ...
SQA - Air quality sensor
SQA - Air quality sensor
£ 122.40
SQA - Air quality sensor...
Differential Pressure Switch - 20 - 300 Pa - IP54
Differential Pressure Switch - 20 - 300 Pa - IP54
£ 28.97
Differential Pressure Switch - FPS1 - working range - 20 - 300 Pa - IP54 Differential pressure switch for air and non-corrosive gasses, these highly sensitive air differential pressure switches are...
CO2 Room Sensor - CO2-R
CO2 Room Sensor - CO2-R
£ 352.80
CO2 Sensor is used to monitor CO2 levels in a room and when a pre-set level is reached the sensor can then be used to either (dependent on model) switch on a fan or for kitchen applications used to sw...
Displaying 1 to 24 (of 45 products)
2 x BDS 800 RA b/d shutter1 x BDS 500/560 RA b/d shutter1 x Elta SLC450/4-1AC - IP551 x Soler & Palau - HXTR/4-560/H - IP541 x AW Sileo EC Plate Axial Fan - Three Phase - 560mm1 x Helios GigaBox 450mm GBD 450 centrifugal - EC Motor1 x Soler & Palau - HCBT/6-560/H - IP651 x Soler & Palau - HXTR/4-315/H - IP541 x Belt Drive Cased Axial Fan - 450mm - H version1 x Ancillary Pack for SB-CYL 500 model1 x Elta SPA560/46-3AC - IP541 x Multiflow SMB450/4-3AC1 x Ancillary Pack for SB-Biflow 400 model1 x EuroSeries (ESP) - Plate Mounted Axial Fans 560-34-B2 x BDS 630/710 RA b/d shutter1 x Flexible PVC Ducting - 204x601 x Northern Ireland Surcharge1 x 204x60mm Rectangular to 100mm Round Adaptor1 x DV-ROF-V-225 Roof mounted unit1 x 204x60mm Elbow Bend with 150mm Fixed Spigot1 x 204x60mm Rectangular to 125mm Round Adaptor1 x Nicotra Direct Delivery Surcharge1 x Motorised Volume Control Damper - 400mm1 x SPI-250 C Iris damper1 x 220x90mm Mounting Clip (Individual)1 x 220x90mm Double Airbrick Adapter1 x Metal Inline Fan - VENT-315NK1 x Purlin Box 630/710 for RAW Cowls1 x HCFT/6-1000-HX plastic impeller plate fan1 x Purlin Box 350 for RAW Cowls1 x Inclined Kurb support for CTHB/6-4001 x Soler & Palau - HCFT/4-1000/H-X - IP551 x HV Wall Mounted Belt Drive Fan 1000mm 220V to 240V / 50Hz 0.75kW - Single Phase1 x Etaline 250mm - D2 01 3 Phase1 x Elta SPA500/4-1EC - IP541 x TD1000 Mixvent - 250mm1 x Etaline 250mm1 x HRB/4-500-30-APNC1 x HXP500/4-3 - 4 Pole - Three Phase1 x Silent 100 Window Kit - windowS1 x MEV Spider Additional Spigots1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x 125mm Wall Duct - 350mm1 x Biflow SB (CYL) Bifurcated Cylindrical Axial Flow Fan - 400mm1 x Venturia Whole House Ventilation1 x Raptor SDA560/6-1AC1 x LINEO 200 QUIET ES2 x Biflow SB250-CON4-1 - High Temperature Bifurcated Fan1 x BDS 300/315 RA b/d shutter1 x Belt Drive Cased Axial Fan - 450mm - L version1 x 125mm Round Connector1 x Belt Drive Cased Axial Fan - 500mm - L version1 x Flexible PVC Ducting - 110x541 x 110 x 54mm Rectangular Wall Plate1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x Soler & Palau - HCBT/4-800/H-B FLOW ( Supply Air Fan) - IP551 x 110 x 54mm Elbow Bend Male1 x Soler & Palau - HCBT/4-800/L-AX - IP551 x HCFT/4-250mm plastic impeller plate fan1 x Elta HXP 800mm 6-Pole (Three Phase)1 x CBA-130 Inlet Flange for CBT-1301 x Kitchen Extract Grille with Grease Filter and External Wall Fan1 x DDMP 07/07 Mounting Flange1 x Elta Cased Axial Flange - 315mm1 x MV-Silent 250 Bathroom Extractor Fan Kit - Standard - No Timer1 x Acoustic Commercial Kitchen Inline Exhaust Fan - MPS (Three Phase) - 250mm1 x Commercial Thermostat - TH161 x Raptor SDA630/46-3AC1 x Balance S Diffuser - NO RING - 100mm1 x Helios GigaBox 355mm GBD 355/4/4 centrifugal1 x Round ceiling diffuser 300mm1 x Metal Inline Fan - VENT-355N
Air Quality Sensor - AQS
Air Quality Sensor - AQS
£ 98.29 now £ 65.00
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 50.56

I have a loft mount extractor fan which was very noisy. I ...