Loading... Please wait...
My Account
Sign in
or
Create an account
Currency Displayed in
Currency Converter
Dollar
UK pound
€URO
Wish Lists
View Cart (
0
)
Toggle Top Menu
Search
Search
Main Navigation
Home
Pages
Home
Contact Us
Blog
information
About us
Payment Methods
General Terms & Conditions
Shipping & Returns
Privacy Policy
Home
SIEMENS
Sensors
Sensors for temperature and humidity
QFA
Categories
Clearance and Special Offers
SIEMENS
Accessories
AGA
AGF
AGG
ALT
Analog Time Switch
ASK
ASZ
Installation set
Miscellaneous
Communication units
OCI
OZW
Controllers
Differential Temperature Controllers
Room Temperature Controllers
RCC
RCU
RDF
RDG
RDU
RLA
Room Units for use with heating controllers
QAW
QAX
Siemens AVS boiler controllers
Siemens Heating controllers
RRV
RVA
RVS
Siemens RVP heating controllers
Damper actuators
Accessories for Siemens damper actuators
GAP
GBB
GCA
GDB
GEB
GGA
GIB
GLB
GLD
GMA
GNA
GNP
GPC
GQD
GSD
Electric Actuators
SAL
SAS
SAV
SAX
SAY
SBC
SFA
SFP
SQL
SQV
SSA
SSB
SSC
SSP
STA
STC
SUA
Electronic Heat Meter
WFM
WFN
WFZ
WZT
HVAC Controllers and accessories
RLU
RMH
RMU
RMZ
RTN
RXB
Miscellaneous
Fittings
Siemens SEM Rele card
Oil and Gas firing devices
LAE
LAL
LEC
LFE
LFL
LGB
LGI
LME
LMO
LOA
LOK
Siemens Burner controller LGK
Sensors
Differential Pressure Sensors
QBE
QBM
Dust Room Sensor
Frost sensors
Immersion temperature sensors
QAA
QAE
QAM
QAP
Miscellaneous Siemens sensors
Outdoor sensors
QAC
QAD
QAE
Room sensors
Sensors for temperature and humidity
AQF
QFA
QFM
Siemens QPA room air quality sensor
Siemens QPM duct air quality sensors
Siemens QVE flow sensors
Siemens Burner parts
AGK
AGM
AGQ
ARG
KF
LDU
LFS
QRB
QRC
RWF
Siemens drive motors
SKB
SKC
SKD
SKL
SKP
Siemens QRA flame detectors
Siemens Servomotors
SQK
SQM
SQN
Thermostats
Control or Limit Thermostats
RAK
RAM
RAZ
Room Thermostats
QAH
RAA
RAB
RAV
RDD
RDE
RDH
RDJ
REV
TRG
Ultrasonic heat and cooling energy meter
UH50
WSM5
Valves
ALI
M3FB
M3FK
M3P
MSV
MVF
MVL
MXF
MXG
VAI
VBF
VBI
VDN
VGD
VGF
VGG
VGZ
VKF
VKP
VLF
VMP
VPD
VPE
VPF
VPI
VPP
VRD
VRF
VVF
VVF32
VVF42
VVF43
VVF53
VVG
VVI
VVP
VXF
VXF22
VXF32
VXF42
VXF43
VXF53
VXG
VXI
VXP
XGZ
Variable Speed Drive for pumps and fans
Water Meter
WFK
WFW
Spare parts for Oil and Gas
Brahma
COFI
Danfoss
FIDA
May & Christe
Oil Burner Pumps
Danfoss Pumps
BFP 21 Series
RSA Series
RSH Series
SUNTEC Pumps
AE Series
AJ Series
AL Series
ALE Series
AN Series
AP Series
AR Series
AS Series
AT2 Series
AT3 Series
D Series
E Series
J Series
Miscellaneous
T Series
TA Series
Oil Filters
Filters
Oil Meter and accessories
Servo motor
Solenoid valves
DANFOSS
Rapa
Thermodeflectors
SIEMENS HVAC
Accessories
AGA
AGF
AGG
ALT
Analog Time Switch
ASK
ASZ
Installation set
Miscellaneous
Communication units
OCI
OZW
Controllers
Differential Temperature Controllers
Room Temperature Controllers
RCC
RCU
RDF
RDG
RDU
RLA
RXL
Room Units for use with heating controllers
QAW
QAX
Siemens AVS boiler controllers
Siemens Heating controllers
RRV
RVA
RVS
Siemens RVP heating controllers
Damper actuators
Accessories for Siemens damper actuators
GAP
GBB
GCA
GDB
GEB
GGA
GIB
GLB
GLD
GMA
GNA
GNP
GPC
GQD
GSD
Electric Actuators
SAL
SAS
SAV
SAX
SAY
SBC
SFA
SFP
SQL
SQV
SSA
SSB
SSC
SSP
STA
STC
SUA
Electronic Heat Meter
WFM
WFN
WFZ
WZT
HVAC Controllers and accessories
RLU
RMH
RMU
RMZ
RTN
RXB
Miscellaneous
Fittings
Siemens RWB Daily Programmer
Siemens SEM Rele card
Oil and Gas firing devices
LAE
LAL
LEC
LFE
LFL
LGB
LGI
LME
LMO
LOA
LOK
Siemens Burner controller LGK
Sensors
Differential Pressure Sensors
QBE
QBM
Dust Room Sensor
Frost sensors
Gas leak detectors
Immersion temperature sensors
QAA
QAE
QAM
QAP
Miscellaneous Siemens sensors
Outdoor sensors
QAC
QAD
QAE
Room sensors
Sensors for temperature and humidity
AQF
QFA
QFM
Siemens QPA room air quality sensor
Siemens QPM duct air quality sensors
Siemens QVE flow sensors
Siemens Burner parts
AGK
AGM
AGQ
ARG
KF
LDU
LFS
QPL
QRB
QRC
RWF
Siemens drive motors
SKB
SKC
SKD
SKL
SKP
Siemens QRA flame detectors
Siemens Servomotors
SQK
SQM
SQN
Thermostats
Control or Limit Thermostats
RAK
RAM
RAZ
Room Thermostats
QAH
RAA
RAB
RAV
RDD
RDE
RDH
RDJ
REV
TRG
Ultrasonic heat and cooling energy meter
UH50
WSM5
Valves
ALI
M3FB
M3FK
M3P
MSV
MVF
MVL
MXF
MXG
VAI
VBF
VBI
VCI
VDN
VGD
VGF
VGG
VGZ
VKF
VKP
VLF
VMP
VPD
VPE
VPF
VPI
VPP
VRD
VRF
VVF
VVF32
VVF42
VVF43
VVF53
VVG
VVI
VVP
VXF
VXF22
VXF32
VXF42
VXF43
VXF53
VXG
VXI
VXP
XGZ
Variable Speed Drive for pumps and fans
Water Meter
WFK
WFW
Siemens CPS Fire Safety
AlgoRex
Accessories
Detectors
Manual call points
O modules
Power supplies and batteries
service tools
Spare parts
Cerberus ECO
Cerberus FIT
Accessories
O modules
Panels
Cerberus PRO
Accessories
Detectors
Notification devices
Panels
Service tools
Spare parts
DMS8000
Network devices
Legacy
Accessories
Panels
Service tools
Miscellaneous
Accessories
Notification devices
Service tools
Sinteso
Accessories
Detectors and bases
Notification devices
O modules
Panels addressable
Power supplies and batteries
Service tools
Software and licences
Spare parts
Special detection
Air Duct Housing
ASD
XC10
Panels extinguishing
Spare parts
SIEMENS KNX
SIEMENS BMS
HONEYWELL
Honeywell servo motor
Satronic
DKO
DKW
Miscellaneous
MMG
MMI
TF
TFI
TMG
Honeywell 2-Way and 3-Way Valves
Gas control blocks
Miscellaneous
Honeywell Ignition Controls
Honeywell Solenoid valves
Spare parts According to Manufacturer
Aquametro
Baltur
Bentone
Brahma
Brotje
Burner motor
Cable
Control unit
Electrodes
Flame tube
Flange
Gas control
Miscellaneous
Pump
Buderus
Anodes
Blowers and fans
Boiler brush
Change-over valves, drives
Circulation pumps
Control units
Door insulation
Flame cups
Flame tube
Flow protection
Gas control blocks, Multiblocks, magnetic coils
Gaskets, seals, flanges, O-ring
Ignition electrodes
Ignition transformers
Ionisation electrodes
Miscellaneous
Modules
Penstock oil preheaters
Pressure switches
Pumps for oil burners
Remote controls
COFI
Danfoss
Danfoss pumps
Danfoss Solenoid valves
Danfoss type RT
Miscellaneous
Photo resistor
Sensor element
De Dietrich
Anodes
Boiler cleaning flanges
Boiler doors
Boiler thermometers
Breather units
Brushes
Circulation pumps
Combustion chambers
Control units
Couplings
Expansion tanks
Firing devices
Flame tubes
Gas contol blocks
Gaskets insulations
Heat exchangers
Ignition cables
Ignition electrodes
Ignition transformers
Inspection glasses
Ionisation electrodes
Miscellaneous
Motors capacitors
Penstock
Photo resistors UV
Piezo Igniters
Pilot burner
Pressure switches
Pumps
Renox rods
Safety valves
Temperature sensors
Thermodeflectors
Thermostats
Elco
Burner flanges
Combustion chambers
Control units
couplings
Electrodes - cables - Anodes
Firing devices
Flame tube
Gas control blocks
Gas control valves
Gaskets insulations
Ignition transformers
Impellers
Ionisation electrodes
Miscellaneous
Motors capacitors
Penstock
Photo resistors UV
Pressur plates
Pressure switches
Pumps
Renox rods
Sensors
Thermostats
Timers
Tube
Vent flaps
Electro-Oil
Couplings
Electrodes
Firing devices
Flame tubes
Gaskets insulations
Ignition electrodes
Ignition tranformers
Impellers
Miscellaneous
Motors
Photo resistors
Pressure plates
Pumps
Elster Kromschroder
Diaphragm gas meter
Gas burner control unit
Gas filter Kromschroder GFK
Gas solenoid valves
Heat meter
Kromschroder control valve
Magnetic gas valve
Miscellaneous
Pressure switch Kromschroder
EUROSIT
Miscellaneous
FIDA
Ideal Standard
Intercal
Korting
Burner motor
Miscellaneous
Lamborghini
Flame tube
Ignition electrodes
Miscellaneous
Motors
Preheaters
Safety Valve
Man
Electrodes
Firing devices
Flame tubes
Gasket insulations
Hydraulic cylinders
Ignition transformers
Impellers
Miscellaneous
Motors
Penstock
Photo resistors UV
Pressure plates
Pumps
Vent flaps
May & Christe
Miscellaneous
Olymp
Rapa Solenoid valves
Rapido
Riello
Automatic firing devices
Burner control unit
Burner couplings
Burner flanges
Flame tubes
Gas control blocks
Gas nozzles
Gaskets inlsulation
Ignition cables
Ignition electrodes
Ignition transformers
Impellers
Ionisation electrodes
Magnets and accessories
Miscellaneous
Motors capacitors blowers fans
Penstock oil preheaters
Photo resistors
Pressure plates
Pressure switches
Pumps and accessories
Renox rods
Servo motors
Vent flaps
SIT
Electrodes
Gas control valves
Multiple actuator
Pilot burner
SUNTEC
AE Series
AJ Series
AL Series
ALE Series
AN Series
AP Series
AR Series
AS Series
AT2 Series
AT3 Series
D Series
E Series
J Series
Suntec Miscellaneous
T Series
TA Series
Viessmann
Anodes
Boiler spare parts
Brushes
Burner flanges
Control units
Drives
Flame tubes
Flow protection
Gas control blocks
Heat exchangers
Ignition electrodes
Ignition transformers
Impellers
Ionisation elecrodes
Miscellaneous
Motors capacitors
Overflow valves
Penstock
Photo resistors
Pilot burners
Pressure plates
Pressure switches
Pumps
Sensors
Thermal insulation blocks
Water fittings
Weishaupt
Anodes
Automatic firing devices
Burner couplings
Control units
Flame tubes
Gas control blocks
Gaskers insulations
Ignition electrodes
Impellers
Ionisation electrodes
Miscellaneous
Motors fans
Penstock
Photo resistors UV
Pressure plates
Pumps
Servo motors
Wolf
Gasket
Miscellaneous
Sanitary products
Geberit
GROHE
GROHE Allure
GROHE Concetto
GROHE Costa
GROHE Essence
GROHE Essentials
GROHE Euphoria
GROHE Eurocube
GROHE Eurodisc
GROHE Europlus
GROHE Eurosmart
GROHE Eurosmart Cosmopolitan
GROHE Eurostyle
GROHE Grohtherm
GROHE Lineare
GROHE Quadra
GROHE Rainshower
GROHE Relexa
GROHE Tempesta
Miscellaneous Grohe
Ideal Standard
Ideal Standard CeraMix
Ideal Standard CeraPlan
Ideal Standard CeraSprint
Ideal Standard CeraTherm
Ideal Standard Idealrain
Ideal Standard Miscellaneous
Ideal Standard VITO
Measuring instruments
Brigon
Testo
Popular Brands
SIEMENS
Viessmann
ELCO
GROHE
Buderus
SUNTEC
DE DIETRICH
Wolf
MAN
Weishaupt
View All Brands
Shop by Price
$0.00 - $172.05
$172.05 - $288.60
$288.60 - $404.04
$404.04 - $520.59
$520.59 - $637.14
QFA
Sort by:
Featured Items
Newest Items
Bestselling
Alphabetical: A to Z
Alphabetical: Z to A
Avg. Customer Review
Price: Low to High
Price: High to Low
Siemens QFA1000 Room hygrostat
$54.91
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA1001 Room hygrostat
$55.80
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA2000 Room sensor for humidity
$132.90
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA2001 room sensor for humidity
$132.90
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA2020
$148.74
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA2060 Room sensor for humidity
$140.38
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA2060D Room sensor for humidity
$172.94
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA2071 room sensor
$140.38
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA3100
$224.96
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA3101
$224.96
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA3160 Room sensor for humidity
$217.70
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA3160D Room sensor for humidity
$250.86
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA3171 room sensor for humidity
$217.70
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA3171D room sensor for humidity
$250.86
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA4160
$596.74
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA4160D Room sensor for humidity
$636.77
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA4171 room sensor for humidity
$596.74
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA4171D Room sensor for humidity
$636.77
Add to Compare
Add to Wishlist
Add To Cart
New Products
Siemens QFA3101
$224.96
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA3100
$224.96
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA4171D Room sensor for humidity
$636.77
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA3171D room sensor for humidity
$250.86
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA4171 room sensor for humidity
$596.74
Add to Compare
Add to Wishlist
Add To Cart
Current Top Sellers
Siemens QFA3171 room sensor for humidity
$217.70
Add to Compare
Add to Wishlist
Add To Cart
Siemens QFA1001 Room hygrostat
$55.80
Add to Compare
Add to Wishlist
Add To Cart
All prices are in
USD
.
Close
Close
Selected For Comparision
Compare Now
Loading... Please wait... Loading... Please wait...
