Product Search

    SEARCH NOW FOR ALL YOUR IO HVAC CONTROLS SOLUTIONS

    Radwell is here to supply you with all your plant floor needs.

    HVAC / HVAC Accessory & Rebuild Kit & Seal Kit

    Radwell is not an authorised distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorisation by any rights holder.

    Filter Results
    Results 1-50 of 150.
    IO HVAC CONTROLS Q5-CH4-100L-0-A

    IO HVAC CONTROLS

    Q5-CH4-100L-0-A

    Q5-CH4 / METHANE, NATURAL GAS CATALYTIC BEAD 0-100% LEL, NEMA 4X ENCLOSURE
    ✓ IN STOCK!
    £574.77 Price with VAT: £689.73 Buy Surplus As Low As £344.86 Price with VAT: £413.84
    £344.86 Price with VAT: £413.84
    IO HVAC CONTROLS IO-WW3

    IO HVAC CONTROLS

    IO-WW3

    IO HVAC IO-WW3 WARNING WATCHDOG LOGIC PANEL WITH 3 WW-R-240, 3 WW-PC
    £372.48 Price with VAT: £446.98 Buy Surplus As Low As £223.94 Price with VAT: £268.73
    £223.94 Price with VAT: £268.73
    IO HVAC CONTROLS IO-WW4

    IO HVAC CONTROLS

    IO-WW4

    IO HVAC IO-WW4 WARNING WATCHDOG LOGIC PANEL WITH 4 WW-R-240, 4 WW-PC
    £418.02 Price with VAT: £501.62 Buy Surplus As Low As £250.81 Price with VAT: £300.97
    £250.81 Price with VAT: £300.97
    IO HVAC CONTROLS IO-TS41

    IO HVAC CONTROLS

    IO-TS41

    41 DEGREE HEATING TEMPORARY CONSTRUCTION THERMOSTAT - INDIVIDUAL
    £13.79 Price with VAT: £16.54 Buy Surplus As Low As £8.27 Price with VAT: £9.92
    £8.27 Price with VAT: £9.92
    IO HVAC CONTROLS BN-06

    IO HVAC CONTROLS

    BN-06

    BACNET COMPATIBLE VAV DIFFUSER WITH NECK SIZE OF 06, CONTROLLER, AND PC-25 CABLE INCLUDED
    £942.78 Price with VAT: £1,131.33 Buy Surplus As Low As £565.82 Price with VAT: £678.98
    £565.82 Price with VAT: £678.98
    IO HVAC CONTROLS BN-06-SD

    IO HVAC CONTROLS

    BN-06-SD

    2' X 2' AUXILIARY VAV DIFFUSER WITH 6" NECK - BACNET
    £464.30 Price with VAT: £557.16 Buy Surplus As Low As £279.18 Price with VAT: £335.01
    £279.18 Price with VAT: £335.01
    IO HVAC CONTROLS BN-08

    IO HVAC CONTROLS

    BN-08

    BACNET COMPATIBLE VAV DIFFUSER WITH NECK SIZE OF 08, CONTROLLER, AND PC-25 CABLE INCLUDED
    £942.78 Price with VAT: £1,131.33 Buy Surplus As Low As £565.82 Price with VAT: £678.98
    £565.82 Price with VAT: £678.98
    IO HVAC CONTROLS BN-08-SD

    IO HVAC CONTROLS

    BN-08-SD

    2' X 2' AUXILARY VAV DIFFUSER WITH 8" NECK - BACNET
    £464.30 Price with VAT: £557.16 Buy Surplus As Low As £279.18 Price with VAT: £335.01
    £279.18 Price with VAT: £335.01
    IO HVAC CONTROLS CO2-2POS-06

    IO HVAC CONTROLS

    CO2-2POS-06

    IO HVAC 6" TWO POSITION DEMAND CO2 VENTILATION KIT, CO2-2POS-06
    £471.76 Price with VAT: £566.12 Buy Surplus As Low As £283.65 Price with VAT: £340.39
    £283.65 Price with VAT: £340.39
    IO HVAC CONTROLS CO2-2POS-08

    IO HVAC CONTROLS

    CO2-2POS-08

    IO HVAC 8" TWO POSITION DEMAND CO2 VENTILATION KIT, CO2-2POS-08
    £487.44 Price with VAT: £584.93 Buy Surplus As Low As £292.61 Price with VAT: £351.13
    £292.61 Price with VAT: £351.13
    IO HVAC CONTROLS CO2-MOD-08

    IO HVAC CONTROLS

    CO2-MOD-08

    IO HVAC 8" MODULATING DEMAND CO2 VENTILATION KIT, CO2-MOD-08
    £610.60 Price with VAT: £732.72 Buy Surplus As Low As £366.51 Price with VAT: £439.81
    £366.51 Price with VAT: £439.81
    IO HVAC CONTROLS CO2-MOD-09

    IO HVAC CONTROLS

    CO2-MOD-09

    IO HVAC 9" MODULATING DEMAND CO2 VENTILATION KIT, CO2-MOD-09
    £621.05 Price with VAT: £745.27 Buy Surplus As Low As £373.23 Price with VAT: £447.88
    £373.23 Price with VAT: £447.88
    IO HVAC CONTROLS CO2-MOD-10

    IO HVAC CONTROLS

    CO2-MOD-10

    IO HVAC 10" MODULATING DEMAND CO2 VENTILATION KIT, CO2-MOD-10
    £627.03 Price with VAT: £752.43 Buy Surplus As Low As £376.22 Price with VAT: £451.46
    £376.22 Price with VAT: £451.46
    IO HVAC CONTROLS IO-WWPS

    IO HVAC CONTROLS

    IO-WWPS

    IO HVAC CONTROLS IO-WWPS WARNING WATCHDOG 12VDC PLUG-IN POWER SUPPLY
    £36.58 Price with VAT: £43.89 Buy Surplus As Low As £22.39 Price with VAT: £26.87
    £22.39 Price with VAT: £26.87
    IO HVAC CONTROLS IO-WWR12

    IO HVAC CONTROLS

    IO-WWR12

    IO HVAC CONTROLS IO-WWR12 WARNING WATCHDOG SPDT 12V DC RELAY
    £24.63 Price with VAT: £29.56 Buy Surplus As Low As £14.93 Price with VAT: £17.92
    £14.93 Price with VAT: £17.92
    IO HVAC CONTROLS IO-WWR240

    IO HVAC CONTROLS

    IO-WWR240

    IO HVAC CONTROLS IO-WWR240 WARNING WATCHDOG 240V SPDT RELAY
    £34.34 Price with VAT: £41.20 Buy Surplus As Low As £20.90 Price with VAT: £25.08
    £20.90 Price with VAT: £25.08
    IO HVAC CONTROLS IO-WWR480

    IO HVAC CONTROLS

    IO-WWR480

    IO HVAC CONTROLS IO-WWR480 WARNING WATCHDOG 480V SPDT RELAY
    £150.78 Price with VAT: £180.94 Buy Surplus As Low As £91.07 Price with VAT: £109.28
    £91.07 Price with VAT: £109.28
    IO HVAC CONTROLS T-32-P

    IO HVAC CONTROLS

    T-32-P

    T-32-P UNIVERSAL 7-DAY PROGRAMMABLE THERMOSTAT, 3H/2C, VERSION 3.1
    £119.43 Price with VAT: £143.32 Buy Surplus As Low As £71.66 Price with VAT: £85.99
    £71.66 Price with VAT: £85.99
    IO HVAC CONTROLS T32-VNP

    IO HVAC CONTROLS

    T32-VNP

    IO HVAC CONTROLS T32-VNP 3H/2C VERTICAL NON-PROGRAMMABLE ATLAS THERMOSTAT
    £58.97 Price with VAT: £70.76 Buy Surplus As Low As £35.83 Price with VAT: £43.00
    £35.83 Price with VAT: £43.00
    IO HVAC CONTROLS TR-40-MT

    IO HVAC CONTROLS

    TR-40-MT

    TR-40-MT 40VA 120/208/240 VAC MULTI-TAP FOOT-MOUNTED TRANSFORMER
    £41.06 Price with VAT: £49.27 Buy Surplus As Low As £24.63 Price with VAT: £29.56
    £24.63 Price with VAT: £29.56
    IO HVAC CONTROLS UCC

    IO HVAC CONTROLS

    UCC

    SATURN UNIVERSAL COMMERCIAL CONTROLLER INCLUDES INDOOR SENSOR
    £311.27 Price with VAT: £373.53 Buy Surplus As Low As £187.36 Price with VAT: £224.83
    £187.36 Price with VAT: £224.83
    IO HVAC CONTROLS UCC-DTH

    IO HVAC CONTROLS

    UCC-DTH

    UCC SATURN INDOOR SENSOR WITH DISPLAY FOR TEMPERATURE AND HUMIDITY
    £166.46 Price with VAT: £199.75 Buy Surplus As Low As £100.03 Price with VAT: £120.03
    £100.03 Price with VAT: £120.03
    IO HVAC CONTROLS UCC-OTH

    IO HVAC CONTROLS

    UCC-OTH

    OUTDOOR TEMPERATURE SENSOR FOR UCC (SATURN)
    £180.64 Price with VAT: £216.77 Buy Surplus As Low As £108.98 Price with VAT: £130.78
    £108.98 Price with VAT: £130.78
    IO HVAC CONTROLS VDR-06

    IO HVAC CONTROLS

    VDR-06

    ROUND VAV DIFFUSER WITH 6" NECK AND 13" FACE
    £615.83 Price with VAT: £739.00 Buy Surplus As Low As £369.50 Price with VAT: £443.40
    £369.50 Price with VAT: £443.40
    IO HVAC CONTROLS Z-2000-DAS

    IO HVAC CONTROLS

    Z-2000-DAS

    DISCHARGE AIR SENSOR FOR THE Z-2000
    £31.35 Price with VAT: £37.62 Buy Surplus As Low As £19.41 Price with VAT: £23.29
    £19.41 Price with VAT: £23.29
    IO HVAC CONTROLS Z-2000-NS

    IO HVAC CONTROLS

    Z-2000-NS

    NIGHT SET BACK THERMOSTAT FOR Z-2000 SYSTEM
    £120.18 Price with VAT: £144.22 Buy Surplus As Low As £72.41 Price with VAT: £86.89
    £72.41 Price with VAT: £86.89
    IO HVAC CONTROLS Z-2000-T

    IO HVAC CONTROLS

    Z-2000-T

    DIGITAL THERMOSTAT FOR Z-2000 ZONE PANEL OR MODULATING ZONE ONE
    £141.83 Price with VAT: £170.19 Buy Surplus As Low As £85.10 Price with VAT: £102.12
    £85.10 Price with VAT: £102.12
    IO HVAC CONTROLS ZP4-ESP-FAV

    IO HVAC CONTROLS

    ZP4-ESP-FAV

    IO HVAC CONTROLS ZP4-ESP-FAV 4-ZONE ESP PANEL W/ BUILT-IN VENTILATION CONTROL
    £560.59 Price with VAT: £672.71 Buy Surplus As Low As £336.65 Price with VAT: £403.98
    £336.65 Price with VAT: £403.98
    IO HVAC CONTROLS ZP4-ESP-FAV-KIT

    IO HVAC CONTROLS

    ZP4-ESP-FAV-KIT

    IO HVAC CONTROLS ZP4-ESP-FAV-KIT 4-ZONE ESP PANEL W/ BUILT-IN VENTILATION CONTROL KIT
    £609.86 Price with VAT: £731.83 Buy Surplus As Low As £366.51 Price with VAT: £439.81
    £366.51 Price with VAT: £439.81
    IO HVAC CONTROLS B5C-CO-250P-0-A

    IO HVAC CONTROLS

    B5C-CO-250P-0-A

    GAS SENSOR, CARBON MONOXIDE, QELB5C-CO-250P-0-A, 0-250 PPM, ELECTROCHEMICAL, BACNET, NEMA 4X
    £574.77 Price with VAT: £689.73 Buy Surplus As Low As £344.86 Price with VAT: £413.84
    £344.86 Price with VAT: £413.84
    IO HVAC CONTROLS BAC-BOX-0

    IO HVAC CONTROLS

    BAC-BOX-0

    QEL BAC-BOX-0 BACNET IP OUTPUT CONVERTER FOR Q-CONTROLLER
    £574.77 Price with VAT: £689.73 Buy Surplus As Low As £344.86 Price with VAT: £413.84
    £344.86 Price with VAT: £413.84
    IO HVAC CONTROLS BAL-PORT.PARA

    IO HVAC CONTROLS

    BAL-PORT.PARA

    INLINE CPLR 6PS/6CND 1-1 FOR PARALLELING BAL ONLY
    £8.21 Price with VAT: £9.85 Buy Surplus As Low As £4.93 Price with VAT: £5.91
    £4.93 Price with VAT: £5.91
    IO HVAC CONTROLS BAL-PORT.V2

    IO HVAC CONTROLS

    BAL-PORT.V2

    INLINE CPLR 6PS/6CND 1-6PIN WHITE (IC107C6SWH)
    £12.69 Price with VAT: £15.23 Buy Surplus As Low As £8.21 Price with VAT: £9.85
    £8.21 Price with VAT: £9.85
    IO HVAC CONTROLS BN-RK-10-SD

    IO HVAC CONTROLS

    BN-RK-10-SD

    2\' X 2\' AUXILARY VAV DIFFUSER WITH 10 NECK - BACNET
    £373.98 Price with VAT: £448.77 Buy Surplus As Low As £224.68 Price with VAT: £269.62
    £224.68 Price with VAT: £269.62
    IO HVAC CONTROLS BN-RK-12-SD

    IO HVAC CONTROLS

    BN-RK-12-SD

    2\' X 2\' AUXILARY VAV DIFFUSER WITH 12 NECK - BACNET
    £375.47 Price with VAT: £450.56 Buy Surplus As Low As £225.43 Price with VAT: £270.52
    £225.43 Price with VAT: £270.52
    IO HVAC CONTROLS CO2-MOD-12

    IO HVAC CONTROLS

    CO2-MOD-12

    IO HVAC 12" MODULATING DEMAND CO2 VENTILATION KIT, CO2-MOD-12
    £645.69 Price with VAT: £774.83 Buy Surplus As Low As £387.41 Price with VAT: £464.90
    £387.41 Price with VAT: £464.90
    IO HVAC CONTROLS CO2-MOD-14

    IO HVAC CONTROLS

    CO2-MOD-14

    IO HVAC 14" MODULATING DEMAND CO2 VENTILATION KIT, CO2-MOD-14
    £673.31 Price with VAT: £807.97 Buy Surplus As Low As £404.58 Price with VAT: £485.50
    £404.58 Price with VAT: £485.50
    IO HVAC CONTROLS IO-BOX-0

    IO HVAC CONTROLS

    IO-BOX-0

    QEL IO-BOX-0 DIN RAIL MOUNTING BOX FOR MODULES, Q-CONTROLLER, NEMA 4X ENCLOSURE
    £307.54 Price with VAT: £369.05 Buy Surplus As Low As £185.12 Price with VAT: £222.15
    £185.12 Price with VAT: £222.15
    IO HVAC CONTROLS M-RELAY-5A-8000000

    IO HVAC CONTROLS

    M-RELAY-5A-8000000

    QEL M-RELAY FOR M-CONTROLLER SERIES RELAY MODULE W/ 8 DPDT RELAYS
    £360.54 Price with VAT: £432.65 Buy Surplus As Low As £216.47 Price with VAT: £259.77
    £216.47 Price with VAT: £259.77
    IO HVAC CONTROLS Q4C-A-R00

    IO HVAC CONTROLS

    Q4C-A-R00

    Q4C SERIES 4 SENSOR DIGITAL CONTROLLER W/ RELAY BOARD (4 X SPDT, 10 A)
    £955.47 Price with VAT: £1,146.56 Buy Surplus As Low As £573.28 Price with VAT: £687.94
    £573.28 Price with VAT: £687.94
    IO HVAC CONTROLS Q4C-A-RT0

    IO HVAC CONTROLS

    Q4C-A-RT0

    Q4C SERIES 4 SENSOR DIGITAL CONTROLLER W/ RELAY BOARD (4 X SPDT, 10 A) + ISOLATED 4-20 MA OR 2-10 VDC OUTPUT BOARD
    £1,031.61 Price with VAT: £1,237.93 Buy Surplus As Low As £619.56 Price with VAT: £743.47
    £619.56 Price with VAT: £743.47
    IO HVAC CONTROLS Q5-H2-1000P-0-A

    IO HVAC CONTROLS

    Q5-H2-1000P-0-A

    Q5-H2 / HYDROGEN ELECTROCHEMICAL 0-1000 PPM, NEMA 4X ENCLOSURE
    £1,107.75 Price with VAT: £1,329.30 Buy Surplus As Low As £665.10 Price with VAT: £798.11
    £665.10 Price with VAT: £798.11
    IO HVAC CONTROLS Q5-NO2-10P-0-A

    IO HVAC CONTROLS

    Q5-NO2-10P-0-A

    Q5-NO2-10P-0-A NITROGEN DIOXIDE NO2 SENSOR
    £574.77 Price with VAT: £689.73 Buy Surplus As Low As £344.86 Price with VAT: £413.84
    £344.86 Price with VAT: £413.84
    IO HVAC CONTROLS Q6-CO-250P-0-A + Q6R

    IO HVAC CONTROLS

    Q6-CO-250P-0-A + Q6R

    Q6-CO / CARBON MONOXIDE ELECTROCHEMICAL 0-250 PPM + Q6R-NO2 / NITROGEN DIOXIDE ELECTROCHEMICAL 0-10 PPM
    £871.87 Price with VAT: £1,046.24 Buy Surplus As Low As £523.27 Price with VAT: £627.92
    £523.27 Price with VAT: £627.92
    IO HVAC CONTROLS QIRF-134AA-0

    IO HVAC CONTROLS

    QIRF-134AA-0

    QIRF REFRIGERANT MONITOR, FOR R134A GAS, MEASUREMENT RANGE 0-1000 PPM, (QIRF-134AA-0)
    £1,757.17 Price with VAT: £2,108.60 Buy Surplus As Low As £1,054.75 Price with VAT: £1,265.70
    £1,054.75 Price with VAT: £1,265.70
    Repair Yours £739.00 Price with VAT: £886.79
    IO HVAC CONTROLS RAT-10

    IO HVAC CONTROLS

    RAT-10

    10" RETROFIT AIR TERMINAL
    £196.32 Price with VAT: £235.58 Buy Surplus As Low As £117.94 Price with VAT: £141.53
    £117.94 Price with VAT: £141.53
    IO HVAC CONTROLS RAT-14

    IO HVAC CONTROLS

    RAT-14

    14" RETROFIT AIR TERMINAL
    £209.76 Price with VAT: £251.71 Buy Surplus As Low As £126.15 Price with VAT: £151.38
    £126.15 Price with VAT: £151.38
    IO HVAC CONTROLS RAT-16

    IO HVAC CONTROLS

    RAT-16

    16" RETROFIT AIR TERMINAL
    £220.21 Price with VAT: £264.25 Buy Surplus As Low As £132.12 Price with VAT: £158.55
    £132.12 Price with VAT: £158.55
    IO HVAC CONTROLS VD-06

    IO HVAC CONTROLS

    VD-06

    IO HVAC CONTROLS VD-06 24"X24", 6" NECK VAV CEILING DIFFUSER WITH WALL-MOUNTED THERMOSTAT CONTROL – 118 TO 710 CFM RANGE VAV DIFFUSER
    £397.12 Price with VAT: £476.54 Buy Surplus As Low As £238.87 Price with VAT: £286.64
    £238.87 Price with VAT: £286.64
    IO HVAC CONTROLS VD-06-1212

    IO HVAC CONTROLS

    VD-06-1212

    IO HVAC CONTROLS VD-06-1212 12"X12", 6" NECK VAV CEILING DIFFUSER WITH WALL-MOUNTED THERMOSTAT CONTROL – 118 TO 710 CFM RANGE VAV DIFFUSER
    £325.46 Price with VAT: £390.55 Buy Surplus As Low As £195.57 Price with VAT: £234.69
    £195.57 Price with VAT: £234.69
    Next
    1 2 3