Product Search

    SEARCH NOW FOR ALL YOUR AO SMITH WATER HEATERS SOLUTIONS

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

    PLCs/Machine Control / PC Board PLC/Add-On Board

    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 109.
    AO SMITH WATER HEATERS RLY20001

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY20001

    DISCONTINUED BY MANUFACTURER, PC BOARD, INTEGRATED CONTROL BOARD, WITH 120 VAC TRANSFORMER, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As £249.99 Price with VAT: £299.99
    £249.99 Price with VAT: £299.99
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 9004614205

    AO SMITH WATER HEATERS

    9004614205

    DISCONTINUED BY MANUFACTURER, DISPLAY BOARD (210219)
    ✓ IN STOCK!
    Buy Surplus As Low As £45.52 Price with VAT: £54.63
    £45.52 Price with VAT: £54.63
    AO SMITH WATER HEATERS RLY-20053

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY-20053

    DISCONTINUED BY MANUFACTURER, CONTROL BOARD, 120 V, 60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As £374.16 Price with VAT: £448.99
    £374.16 Price with VAT: £448.99
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY20062

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY20062

    DISCONTINUED BY MANUFACTURER, PLC COMPONENT, LOW VOLTAGE, CONNECTION BOARD
    ✓ IN STOCK!
    Buy Surplus As Low As £131.91 Price with VAT: £158.29
    £131.91 Price with VAT: £158.29
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 100168003

    AO SMITH WATER HEATERS

    LOCHINVAR

    100168003

    CONTROL BOARD ASSEMBLY, INTEGRATED, SH
    ✓ IN STOCK!
    £553.10 Price with VAT: £663.72 Buy Surplus As Low As £206.53 Price with VAT: £247.84
    £206.53 Price with VAT: £247.84
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 100278052

    AO SMITH WATER HEATERS

    LOCHINVAR

    100278052

    INTEGRATED CONTROL BOARD
    £883.27 Price with VAT: £1,059.92 Buy Surplus As Low As £529.96 Price with VAT: £635.95
    £529.96 Price with VAT: £635.95
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY2724

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY2724

    DISCONTINUED BY MANUFACTURER, DISPLAY BOARD
    Buy Surplus As Low As £423.65 Price with VAT: £508.38
    £423.65 Price with VAT: £508.38
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY2100

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY2100

    LOCHINVAR RLY2100 BOARD, CONTROL, MAIN PB/PF1501-2001 & 502-1302, BOILER, HYDRONIC, WATER, HEATING
    £862.40 Price with VAT: £1,034.88 Buy Surplus As Low As £517.29 Price with VAT: £620.75
    £517.29 Price with VAT: £620.75
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY3730

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY3730

    LOCHINVAR RLY3730 CONTROL BOARD 4:1 ALL PB, BOILER, HYDRONIC, WATER, HEATING
    £901.67 Price with VAT: £1,082.00 Buy Surplus As Low As £541.45 Price with VAT: £649.74
    £541.45 Price with VAT: £649.74
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY20032

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY20032

    LOCHINVAR RLY20032 CONTROL BOARD
    £940.93 Price with VAT: £1,129.12 Buy Surplus As Low As £564.86 Price with VAT: £677.84
    £564.86 Price with VAT: £677.84
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY20054

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY20054

    CONTROL BOARD
    £690.22 Price with VAT: £828.26 Buy Surplus As Low As £413.83 Price with VAT: £496.60
    £413.83 Price with VAT: £496.60
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY2109

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY2109

    ELECTRONIC CONTROL BOARD
    £737.04 Price with VAT: £884.45 Buy Surplus As Low As £442.53 Price with VAT: £531.03
    £442.53 Price with VAT: £531.03
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 210967-000

    AO SMITH WATER HEATERS

    210967-000

    CNTRLBOARDFORLEGEND2000-IRI
    £737.04 Price with VAT: £884.45 Buy Surplus As Low As £442.53 Price with VAT: £531.03
    £442.53 Price with VAT: £531.03
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 212785-000

    AO SMITH WATER HEATERS

    212785-000

    MOUDULATION CONTROL BOARD
    £1,449.92 Price with VAT: £1,739.90 Buy Surplus As Low As £869.95 Price with VAT: £1,043.94
    £869.95 Price with VAT: £1,043.94
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 9004617005

    AO SMITH WATER HEATERS

    9004617005

    DISCONTINUED BY MANUFACTURER, PLC BOARD, CENTRAL CONTROL BOARD, WIRE TERMINALS
    Buy Surplus As Low As £741.65 Price with VAT: £889.98
    £741.65 Price with VAT: £889.98
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 9006848005

    AO SMITH WATER HEATERS

    9006848005

    CONTROL BOARD - 4 STAGE
    £3,644.42 Price with VAT: £4,373.31 Buy Surplus As Low As £2,186.96 Price with VAT: £2,624.35
    £2,186.96 Price with VAT: £2,624.35
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 9006849005

    AO SMITH WATER HEATERS

    9006849005

    CONTROL BOARD - 3 STAGE
    £3,370.30 Price with VAT: £4,044.36 Buy Surplus As Low As £2,022.33 Price with VAT: £2,426.80
    £2,022.33 Price with VAT: £2,426.80
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 100304815

    AO SMITH WATER HEATERS

    LOCHINVAR

    100304815

    DISCONTINUED BY MANUFACTURER, PC BOARD, DISPLAY COMMUNICATION BOARD, FOR BOILER
    Buy Surplus As Low As £533.46 Price with VAT: £640.15
    £533.46 Price with VAT: £640.15
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 100334031

    AO SMITH WATER HEATERS

    LOCHINVAR

    100334031

    MAIN CONTROL BOARD AWH1000
    £843.52 Price with VAT: £1,012.22 Buy Surplus As Low As £506.72 Price with VAT: £608.06
    £506.72 Price with VAT: £608.06
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY30011

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY30011

    LOCHINVAR RLY30011 INTEGRATED CONTROL KBN080-285 & WB080-210, BOILER, HYDRONIC, WATER, HEATING
    Buy Surplus As Low As £616.20 Price with VAT: £739.44
    £616.20 Price with VAT: £739.44
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY3723

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY3723

    CONTROL BOARD (NEED MOD & SER)
    £901.67 Price with VAT: £1,082.00 Buy Surplus As Low As £541.45 Price with VAT: £649.74
    £541.45 Price with VAT: £649.74
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY2715

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY2715

    INTERFACE BOARD, XL-10
    £1,254.33 Price with VAT: £1,505.19 Buy Surplus As Low As £752.90 Price with VAT: £903.48
    £752.90 Price with VAT: £903.48
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY3110

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY3110

    CONTROL BOARD
    £737.04 Price with VAT: £884.45 Buy Surplus As Low As £442.53 Price with VAT: £531.03
    £442.53 Price with VAT: £531.03
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 9004250205

    AO SMITH WATER HEATERS

    9004250205

    DISCONTINUED BY MANUFACTURER, CONTROL BOARD AND DISPLAY
    Buy Surplus As Low As £494.19 Price with VAT: £593.03
    £494.19 Price with VAT: £593.03
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 9004611205

    AO SMITH WATER HEATERS

    9004611205

    DISCONTINUED BY MANUFACTURER, PC BOARD, 9 FEMALE CONNECTORS, 4 MOUNTING POINTS, W/ SMALL TRANSISTOR PLATE, (210128)
    Buy Surplus As Low As £629.03 Price with VAT: £754.84
    £629.03 Price with VAT: £754.84
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 9006520005

    AO SMITH WATER HEATERS

    9006520005

    CENTRAL CONTROL BOARD
    £940.93 Price with VAT: £1,129.12 Buy Surplus As Low As £564.86 Price with VAT: £677.84
    £564.86 Price with VAT: £677.84
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 500859-001

    AO SMITH WATER HEATERS

    500859-001

    FLAME SAFEGUARD-CONTROL BOARD
    £823.13 Price with VAT: £987.76 Buy Surplus As Low As £493.88 Price with VAT: £592.65
    £493.88 Price with VAT: £592.65
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 100094861

    AO SMITH WATER HEATERS

    LOCHINVAR

    100094861

    DISCONTINUED BY MANUFACTURER, PC BOARD, DISPLAY COMMUNICATION BOARD, I/O PORTS
    Buy Surplus As Low As £968.32 Price with VAT: £1,161.98
    £968.32 Price with VAT: £1,161.98
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 100370190

    AO SMITH WATER HEATERS

    LOCHINVAR

    100370190

    DISPLAY CONTROL BOARD
    £202.08 Price with VAT: £242.50 Buy Surplus As Low As £121.25 Price with VAT: £145.50
    £121.25 Price with VAT: £145.50
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 100370999

    AO SMITH WATER HEATERS

    LOCHINVAR

    100370999

    PROGRAMMED CONTROL BOARD
    £291.80 Price with VAT: £350.16 Buy Surplus As Low As £175.08 Price with VAT: £210.10
    £175.08 Price with VAT: £210.10
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY1141

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY1141

    ELECTRONIC CONTROL BOARD
    £212.20 Price with VAT: £254.64 Buy Surplus As Low As £127.62 Price with VAT: £153.15
    £127.62 Price with VAT: £153.15
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY2105

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY2105

    LOCHINVAR RLY2105 RELAY, PANEL MOUNT, 24VAC, BOILER, HYDRONIC, WATER, HEATING
    £37.76 Price with VAT: £45.31 Buy Surplus As Low As £23.41 Price with VAT: £28.09
    £23.41 Price with VAT: £28.09
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY2107

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY2107

    LOCHINVAR RLY2107 POWER BOARD
    £172.93 Price with VAT: £207.52 Buy Surplus As Low As £103.46 Price with VAT: £124.15
    £103.46 Price with VAT: £124.15
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY2108

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY2108

    LOCHINVAR RLY2108 DISPLAY BOARD
    £196.34 Price with VAT: £235.61 Buy Surplus As Low As £117.81 Price with VAT: £141.37
    £117.81 Price with VAT: £141.37
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY30013

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY30013

    LOCHINVAR RLY30013 INTEGRATED CONTROL KBN500, BOILER, HYDRONIC, WATER, HEATING
    £579.97 Price with VAT: £695.96 Buy Surplus As Low As £348.13 Price with VAT: £417.76
    £348.13 Price with VAT: £417.76
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY30017

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY30017

    LOCHINVAR RLY30017 INTEGRATED CONTROL KBN600-800, BOILER, HYDRONIC, WATER, HEATING
    £579.97 Price with VAT: £695.96 Buy Surplus As Low As £348.13 Price with VAT: £417.76
    £348.13 Price with VAT: £417.76
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY30012

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY30012

    INTEGRATED CIRCUIT BOARD
    £579.97 Price with VAT: £695.96 Buy Surplus As Low As £348.13 Price with VAT: £417.76
    £348.13 Price with VAT: £417.76
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY2056

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY2056

    I/O RESET BOARD
    £345.11 Price with VAT: £414.13 Buy Surplus As Low As £206.92 Price with VAT: £248.30
    £206.92 Price with VAT: £248.30
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY2114

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY2114

    LOCHINVAR 100208498 CONNECTION BOARD PB/PF1501-2001 & 502-1302, BOILER, HYDRONIC, WATER, HEATING. REPLCS. RLY2114
    £126.11 Price with VAT: £151.34 Buy Surplus As Low As £75.52 Price with VAT: £90.62
    £75.52 Price with VAT: £90.62
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY30061

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY30061

    LOCHINVAR RLY30061 CONTROL, INTEGRATED KB81 - 286 / WB81 - 211 BEGINNING H10, BOILER, HYDRONIC, WATER, HEATING
    £502.18 Price with VAT: £602.62 Buy Surplus As Low As £301.31 Price with VAT: £361.57
    £301.31 Price with VAT: £361.57
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY30066

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY30066

    LOCHINVAR RLY30066 CONTROL, INTEGRATED KB501 BEGINNING H10, BOILER, HYDRONIC, WATER, HEATING
    £502.18 Price with VAT: £602.62 Buy Surplus As Low As £301.31 Price with VAT: £361.57
    £301.31 Price with VAT: £361.57
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY20055

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY20055

    LOCHINVAR 100208470 (REPLS RLY20055) INTEGRATED CONTROL MOD-BUS, BOILER, HYDRONIC, WATER, HEATING
    £579.97 Price with VAT: £695.96 Buy Surplus As Low As £348.13 Price with VAT: £417.76
    £348.13 Price with VAT: £417.76
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY30025

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY30025

    HI ALTITUDE CONTROL
    £579.97 Price with VAT: £695.96 Buy Surplus As Low As £348.13 Price with VAT: £417.76
    £348.13 Price with VAT: £417.76
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY30033

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY30033

    INTEGRATED CNTRL HIGH ALTITUDE
    £579.97 Price with VAT: £695.96 Buy Surplus As Low As £348.13 Price with VAT: £417.76
    £348.13 Price with VAT: £417.76
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY30047

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY30047

    INTEGRATED CONTROL
    £502.18 Price with VAT: £602.62 Buy Surplus As Low As £301.31 Price with VAT: £361.57
    £301.31 Price with VAT: £361.57
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY30063

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY30063

    INTEGRATED BOARD
    £502.18 Price with VAT: £602.62 Buy Surplus As Low As £301.31 Price with VAT: £361.57
    £301.31 Price with VAT: £361.57
    Repair Yours Contact Us
    AO SMITH WATER HEATERS RLY30080

    AO SMITH WATER HEATERS

    LOCHINVAR

    RLY30080

    INTEGRATED CONTROL WH55-110
    £517.29 Price with VAT: £620.75 Buy Surplus As Low As £310.37 Price with VAT: £372.45
    £310.37 Price with VAT: £372.45
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 192215-001

    AO SMITH WATER HEATERS

    192215-001

    BLOWER ADAPTER
    £172.93 Price with VAT: £207.52 Buy Surplus As Low As £103.46 Price with VAT: £124.15
    £103.46 Price with VAT: £124.15
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 9004242205

    AO SMITH WATER HEATERS

    9004242205

    CONTROL BOARD
    £376.83 Price with VAT: £452.19 Buy Surplus As Low As £225.79 Price with VAT: £270.95
    £225.79 Price with VAT: £270.95
    Repair Yours Contact Us
    AO SMITH WATER HEATERS 9004492005

    AO SMITH WATER HEATERS

    9004492005

    HSI CONTROL BOARD (191848)
    £439.51 Price with VAT: £527.41 Buy Surplus As Low As £263.55 Price with VAT: £316.26
    £263.55 Price with VAT: £316.26
    Repair Yours Contact Us
    Next
    1 2 3