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Free Shipping on qualified orders over $599! Excluding HI, AK & Canada, and products marked Special Handling. *Some Items Excluded*
Free Shipping on qualified orders over $599! Excluding HI, AK & Canada, and products marked Special Handling. *Some Items Excluded*

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  • Caleffi 1" sweat adaptor to 3/4" SolarFlex with 1" male thread

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $25.89
    $25.89 - $25.89
    $25.89
    In stock

    SKU NA10062

    $0.00 - $0.00
    $0.00
    $25.89
    $25.89 - $25.89
    $25.89

  • Caleffi 1" FNPT x 1-1/4" male union thread bushing

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $26.37
    $26.37 - $26.37
    $26.37
    In stock

    SKU 61215A

    $0.00 - $0.00
    $0.00
    $26.37
    $26.37 - $26.37
    $26.37

  • Caleffi MixCal 3-way Thermostatic Mixing Valve 3/4" Press

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $196.97
    $196.97 - $196.97
    $196.97
    In stock

    SKU 521506A

    Adjustable thermostatic mixing valve (sweat)For point of distribution in domestic water systems and radiant hydronic heating systems.Locking set p...

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    $0.00 - $0.00
    $0.00
    $196.97
    $196.97 - $196.97
    $196.97

  • Caleffi backflow preventer 1/2" NPT female inlet/outlet

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $88.50
    $88.50 - $88.50
    $88.50
    In stock

    SKU 573403A

    $0.00 - $0.00
    $0.00
    $88.50
    $88.50 - $88.50
    $88.50

  • Caleffi 1-1/4" dirt separator sweat

    Caleffi North America, Inc
    $169.67 - $169.67
    $169.67
    $169.67 - $169.67
    $169.67
    In stock

    SKU 546235A

    $169.67 - $169.67
    $169.67
    $169.67 - $169.67
    $169.67

  • Caleffi 3/4" sweat scald protection 3-way thermostatic mix valve

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $128.36
    $128.36 - $128.36
    $128.36
    In stock

    SKU 521359A

    Adjustable thermostatic and pressure balanced mixing valve for point of use where the user must be protected from the danger of scalding caused by ...

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    $0.00 - $0.00
    $0.00
    $128.36
    $128.36 - $128.36
    $128.36

  • Caleffi Differential Bypass Valve 3/4" Press

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $152.46
    $152.46 - $152.46
    $152.46
    In stock

    SKU 519566A

    $0.00 - $0.00
    $0.00
    $152.46
    $152.46 - $152.46
    $152.46

  • Caleffi differential bypass 1" NPT w/ 1" sweat outlet

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $209.02
    $209.02 - $209.02
    $209.02
    In stock

    SKU 519609A

    $0.00 - $0.00
    $0.00
    $209.02
    $209.02 - $209.02
    $209.02

  • Caleffi differential bypass 1-1/4" NPT w/ 1-1/4" sweat outlet

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $252.46
    $252.46 - $252.46
    $252.46
    In stock

    SKU 519709A

    $0.00 - $0.00
    $0.00
    $252.46
    $252.46 - $252.46
    $252.46

  • Caleffi automatic air vent 1/8" NPT male

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $13.52
    $13.52 - $13.52
    $13.52
    In stock

    SKU 502610A

    $0.00 - $0.00
    $0.00
    $13.52
    $13.52 - $13.52
    $13.52

  • Caleffi automatic air vent 1/4" NPT male w/ check valve

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $19.84
    $19.84 - $19.84
    $19.84
    In stock

    SKU 502720A

    $0.00 - $0.00
    $0.00
    $19.84
    $19.84 - $19.84
    $19.84

  • Caleffi Single-line 1/2" Sweat fitting kit includes 2 3/4" adaptors, 2 nuts, 2 1/2" swt tailpieces

    Caleffi North America, Inc
    $50.34 - $50.34
    $50.34
    $50.34 - $50.34
    $50.34
    In stock

    SKU NA26649

    $50.34 - $50.34
    $50.34
    $50.34 - $50.34
    $50.34

  • Caleffi QuickSetter flowmeter 1" NPT 3 to 10 GPM

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $263.93
    $263.93 - $263.93
    $263.93
    In stock

    SKU 132662A

    $0.00 - $0.00
    $0.00
    $263.93
    $263.93 - $263.93
    $263.93

  • Caleffi 1" Sweat fitting kit includes (2) 1" male adaptors, (2) 1" sweat tail w/ nut

    Caleffi North America, Inc
    $80.85 - $80.85
    $80.85
    $80.85 - $80.85
    $80.85
    In stock

    SKU NA26669

    $80.85 - $80.85
    $80.85
    $80.85 - $80.85
    $80.85

  • CALEFFI ISOLAR RS232 INTERFACE

    Caleffi North America, Inc
    $258.28 - $258.28
    $258.28
    $258.28 - $258.28
    $258.28
    In stock

    SKU 257203A

    The interface adapter RS-COM enables the connection of a PC to iSolar Plus controller with V Bus. Service Center Software allows the measured data ...

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    $258.28 - $258.28
    $258.28
    $258.28 - $258.28
    $258.28

  • CALEFFI SOLAR SAFETY RELIEF VLV SET 90PSI 1/2" IN 3/4"OUT

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $62.95
    $62.95 - $62.95
    $62.95
    In stock

    SKU 253046

    Safety relief valves for solar systems. Working temperature range: -20—360ºF. Normal pressure: 150 psi. Opening over pressure: 10%. Closing differ...

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    $0.00 - $0.00
    $0.00
    $62.95
    $62.95 - $62.95
    $62.95
  • Sold out

    CALEFFI SOLAR 3/4" SWEAT THERMOSTATIC MIX VLV 3.0 CV

    Caleffi North America, Inc
    $172.58 - $172.58
    $172.58
    $172.58 - $172.58
    $172.58
    Out of stock

    SKU 252159A

    Adjustable thermostatic three-way mixing valve for solar systems with built-in inlet check valves. Setting range: 80—150ºF. Max. working pressure (...

    View full details
    $172.58 - $172.58
    $172.58
    $172.58 - $172.58
    $172.58
    Sold out

  • Buderus GB142 water pressure sensor (replaces old part # 7101436)

    Buderus
    $173.37 - $173.37
    $173.37
    $173.37 - $173.37
    $173.37
    In stock

    SKU 8718600019

    $173.37 - $173.37
    $173.37
    $173.37 - $173.37
    $173.37
  • Sold out

    Caleffi pump station circulator, 15-58U Pump, 1"G, 115 VAC, Iron Volute - REPLACES NA12168

    Caleffi North America, Inc
    $239.47 - $239.47
    $239.47
    $239.47 - $239.47
    $239.47
    Out of stock

    SKU NA10481

    Replaced by UPS 15-58U UL listed for Canada and the USA. Voltage is 115V/60HZ 3-speed pump Maximum water temperature: 230F (110C)  replaces: Cale...

    View full details
    $239.47 - $239.47
    $239.47
    $239.47 - $239.47
    $239.47
    Sold out

  • O-RING SET FOR ORIFICE GB142

    Buderus
    $60.06 - $60.06
    $60.06
    $60.06 - $60.06
    $60.06
    In stock

    SKU 7099018

    $60.06 - $60.06
    $60.06
    $60.06 - $60.06
    $60.06

  • Caleffi temperature / pressure gage 3-1/8" dial 1/4"NPT rear

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $38.11
    $38.11 - $38.11
    $38.11
    In stock

    SKU NA503040

    $0.00 - $0.00
    $0.00
    $38.11
    $38.11 - $38.11
    $38.11

  • 1" Press Composite DirtMag

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $250.08
    $250.08 - $250.08
    $250.08
    In stock

    SKU NA545366

    Dirt separator with magnet. Brass mounting housing. Composite PA66G30 body. Max. working pressure: 45 psi. Working temperature range: 32—195°F. Pa...

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    $0.00 - $0.00
    $0.00
    $250.08
    $250.08 - $250.08
    $250.08

  • Caleffi 1" union sweat zone valve & TwisTop 24V actuator w/ endswitch

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $200.32
    $200.32 - $200.32
    $200.32
    Low stock

    SKU 676269A

    $0.00 - $0.00
    $0.00
    $200.32
    $200.32 - $200.32
    $200.32

  • CASING LATCHES, RT GB142

    Buderus
    $49.83 - $49.83
    $49.83
    $49.83 - $49.83
    $49.83
    Low stock

    SKU 7099038

    $49.83 - $49.83
    $49.83
    $49.83 - $49.83
    $49.83

  • Caleffi 1" PRESS zone valve & TwisTop 24V actuator w/ endswitch

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $207.58
    $207.58 - $207.58
    $207.58
    In stock

    SKU 676266A

    $0.00 - $0.00
    $0.00
    $207.58
    $207.58 - $207.58
    $207.58

  • Caleffi 1/2" union sweat zone valve & TwisTop 24V actuator w/ endswitch - Discontinued 2018

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $160.40
    $160.40 - $160.40
    $160.40
    In stock

    SKU 676249A

    $0.00 - $0.00
    $0.00
    $160.40
    $160.40 - $160.40
    $160.40

  • Caleffi 1/2" sweat inlet backflow preventer / autofill 1/2" NPT female outlet

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $186.75
    $186.75 - $186.75
    $186.75
    In stock

    SKU 573009A

    $0.00 - $0.00
    $0.00
    $186.75
    $186.75 - $186.75
    $186.75

  • Caleffi discal compact air separator 3/4" SWT

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $90.52
    $90.52 - $90.52
    $90.52
    In stock

    SKU 551022A

    $0.00 - $0.00
    $0.00
    $90.52
    $90.52 - $90.52
    $90.52

  • Caleffi discal air separator 2" sweat

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $329.39
    $329.39 - $329.39
    $329.39
    In stock

    SKU 551054A

    $0.00 - $0.00
    $0.00
    $329.39
    $329.39 - $329.39
    $329.39

  • Caleffi discal air separators 2" flange - steel

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $2,790.32
    $2,790.32 - $2,790.32
    $2,790.32
    In stock

    SKU 551050A

    $0.00 - $0.00
    $0.00
    $2,790.32
    $2,790.32 - $2,790.32
    $2,790.32

  • Caleffi discal air separator 1" sweat

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $141.45
    $141.45 - $141.45
    $141.45
    In stock

    SKU 551028A

    $0.00 - $0.00
    $0.00
    $141.45
    $141.45 - $141.45
    $141.45

  • Discal Air Separator 1" Press

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $169.60
    $169.60 - $169.60
    $169.60
    In stock

    SKU 551066A

    $0.00 - $0.00
    $0.00
    $169.60
    $169.60 - $169.60
    $169.60

  • Discal Air Separator 1-1/4" Press

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $260.63
    $260.63 - $260.63
    $260.63
    In stock

    SKU 551067A

    $0.00 - $0.00
    $0.00
    $260.63
    $260.63 - $260.63
    $260.63

  • Caleffi discal air separator 1-1/4" NPT female

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $218.06
    $218.06 - $218.06
    $218.06
    In stock

    SKU 551007A

    $0.00 - $0.00
    $0.00
    $218.06
    $218.06 - $218.06
    $218.06

  • Caleffi discal air separator 1-1/2" sweat

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $268.48
    $268.48 - $268.48
    $268.48
    In stock

    SKU 551041A

    $0.00 - $0.00
    $0.00
    $268.48
    $268.48 - $268.48
    $268.48

  • Caleffi discal air separator 1-1/2" NPT female

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $287.52
    $287.52 - $287.52
    $287.52
    In stock

    SKU 551008A

    $0.00 - $0.00
    $0.00
    $287.52
    $287.52 - $287.52
    $287.52