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

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  • Caleffi Differential Bypass Valve 3/4" Press

    Caleffi
    $124.59 - $124.59
    $124.59
    $124.59 - $124.59
    $124.59
    In stock

    SKU 519566A

    $124.59 - $124.59
    $124.59
    $124.59 - $124.59
    $124.59

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

    Caleffi
    $172.13 - $172.13
    $172.13
    $172.13 - $172.13
    $172.13
    In stock

    SKU 519609A

    $172.13 - $172.13
    $172.13
    $172.13 - $172.13
    $172.13

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

    Caleffi
    $206.56 - $206.56
    $206.56
    $206.56 - $206.56
    $206.56
    In stock

    SKU 519709A

    $206.56 - $206.56
    $206.56
    $206.56 - $206.56
    $206.56

  • Caleffi automatic air vent 1/8" NPT male

    Caleffi
    $10.87 - $10.87
    $10.87
    $10.87 - $10.87
    $10.87
    In stock

    SKU 502610A

    $10.87 - $10.87
    $10.87
    $10.87 - $10.87
    $10.87

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

    Caleffi
    $15.98 - $15.98
    $15.98
    $15.98 - $15.98
    $15.98
    In stock

    SKU 502720A

    $15.98 - $15.98
    $15.98
    $15.98 - $15.98
    $15.98

  • Caleffi High Capacity 1/2" NPT Male Air Vent

    Caleffi
    $29.36 - $29.36
    $29.36
    $29.36 - $29.36
    $29.36
    In stock

    SKU 502243A

    $29.36 - $29.36
    $29.36
    $29.36 - $29.36
    $29.36

  • Caleffi Single-line 3/4" Sweat fitting kit includes (2)1"male adaptors, nuts, tail piece & washers

    Caleffi
    $72.50 - $72.50
    $72.50
    $72.50 - $72.50
    $72.50
    In stock

    SKU NA26659

    $72.50 - $72.50
    $72.50
    $72.50 - $72.50
    $72.50

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

    Caleffi
    $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
    $216.39 - $216.39
    $216.39
    $216.39 - $216.39
    $216.39
    In stock

    SKU 132662A

    $216.39 - $216.39
    $216.39
    $216.39 - $216.39
    $216.39

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

    Caleffi
    $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
    $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 ...

    View full details
    $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
    $51.64 - $51.64
    $51.64
    $51.64 - $51.64
    $51.64
    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...

    View full details
    $51.64 - $51.64
    $51.64
    $51.64 - $51.64
    $51.64

  • Caleffi 3/4" sweat to 1/2" SolarFlex w/ 3/4" male thread

    Caleffi
    $14.91 - $14.91
    $14.91
    $14.91 - $14.91
    $14.91
    In stock

    SKU NA10118

    $14.91 - $14.91
    $14.91
    $14.91 - $14.91
    $14.91

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

    Caleffi
    $239.47 - $239.47
    $239.47
    $239.47 - $239.47
    $239.47
    In stock

    SKU NA10481

    UL listed for Canada and the USA. Voltage is 115V/60HZ 3-speed pump Maximum water temperature: 230F (110C)  replaces: Caleffi NA12168

    $239.47 - $239.47
    $239.47
    $239.47 - $239.47
    $239.47

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

    Caleffi
    $31.23 - $31.23
    $31.23
    $31.23 - $31.23
    $31.23
    In stock

    SKU NA503040

    $31.23 - $31.23
    $31.23
    $31.23 - $31.23
    $31.23

  • 1" Press Composite DirtMag

    Caleffi
    $205.08 - $205.08
    $205.08
    $205.08 - $205.08
    $205.08
    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...

    View full details
    $205.08 - $205.08
    $205.08
    $205.08 - $205.08
    $205.08

  • Caleffi dual solar pump station return & flow, 3-speed NEEDS FITTINGS KIT

    Caleffi
    $867.21 - $867.21
    $867.21
    $867.21 - $867.21
    $867.21
    In stock

    SKU 279051A

    Complete with:    Safety relief valve    Ball valves with built-in flow checks in return (non-drainback models only)    Temperature gauges in...

    View full details
    $867.21 - $867.21
    $867.21
    $867.21 - $867.21
    $867.21

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

    Caleffi
    $164.03 - $164.03
    $164.03
    $164.03 - $164.03
    $164.03
    Low stock

    SKU 676269A

    $164.03 - $164.03
    $164.03
    $164.03 - $164.03
    $164.03

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

    Caleffi
    $170.56 - $170.56
    $170.56
    $170.56 - $170.56
    $170.56
    In stock

    SKU 676266A

    $170.56 - $170.56
    $170.56
    $170.56 - $170.56
    $170.56

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

    Caleffi
    $132.10 - $132.10
    $132.10
    $132.10 - $132.10
    $132.10
    In stock

    SKU 676249A

    $132.10 - $132.10
    $132.10
    $132.10 - $132.10
    $132.10

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

    Caleffi
    $153.00 - $153.00
    $153.00
    $153.00 - $153.00
    $153.00
    In stock

    SKU 573009A

    $153.00 - $153.00
    $153.00
    $153.00 - $153.00
    $153.00

  • Caleffi discal compact air separator 3/4" SWT

    Caleffi
    $76.54 - $76.54
    $76.54
    $76.54 - $76.54
    $76.54
    In stock

    SKU 551022A

    $76.54 - $76.54
    $76.54
    $76.54 - $76.54
    $76.54

  • Caleffi discal air separator 2" sweat

    Caleffi
    $277.65 - $277.65
    $277.65
    $277.65 - $277.65
    $277.65
    In stock

    SKU 551054A

    $277.65 - $277.65
    $277.65
    $277.65 - $277.65
    $277.65

  • Caleffi discal air separator 2" NPT female

    Caleffi
    $291.40 - $291.40
    $291.40
    $291.40 - $291.40
    $291.40
    In stock

    SKU 551009A

    $291.40 - $291.40
    $291.40
    $291.40 - $291.40
    $291.40

  • Caleffi discal air separators 2" flange - steel

    Caleffi
    $2,426.61 - $2,426.61
    $2,426.61
    $2,426.61 - $2,426.61
    $2,426.61
    In stock

    SKU 551050A

    $2,426.61 - $2,426.61
    $2,426.61
    $2,426.61 - $2,426.61
    $2,426.61

  • Caleffi discal air separator 1" sweat

    Caleffi
    $119.84 - $119.84
    $119.84
    $119.84 - $119.84
    $119.84
    In stock

    SKU 551028A

    $119.84 - $119.84
    $119.84
    $119.84 - $119.84
    $119.84

  • Discal Air Separator 1" Press

    Caleffi
    $142.76 - $142.76
    $142.76
    $142.76 - $142.76
    $142.76
    In stock

    SKU 551066A

    $142.76 - $142.76
    $142.76
    $142.76 - $142.76
    $142.76

  • Caleffi discal air separator 1" NPT female

    Caleffi
    $125.73 - $125.73
    $125.73
    $125.73 - $125.73
    $125.73
    In stock

    SKU 551006A

    $125.73 - $125.73
    $125.73
    $125.73 - $125.73
    $125.73

  • Discal Air Separator 1-1/4" Press

    Caleffi
    $220.03 - $220.03
    $220.03
    $220.03 - $220.03
    $220.03
    In stock

    SKU 551067A

    $220.03 - $220.03
    $220.03
    $220.03 - $220.03
    $220.03

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

    Caleffi
    $184.02 - $184.02
    $184.02
    $184.02 - $184.02
    $184.02
    In stock

    SKU 551007A

    $184.02 - $184.02
    $184.02
    $184.02 - $184.02
    $184.02

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

    Caleffi
    $226.58 - $226.58
    $226.58
    $226.58 - $226.58
    $226.58
    In stock

    SKU 551041A

    $226.58 - $226.58
    $226.58
    $226.58 - $226.58
    $226.58

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

    Caleffi
    $242.26 - $242.26
    $242.26
    $242.26 - $242.26
    $242.26
    In stock

    SKU 551008A

    $242.26 - $242.26
    $242.26
    $242.26 - $242.26
    $242.26

  • Caleffi Hydro Separator 1-1/2" Press F Union

    Caleffi
    $719.25 - $719.25
    $719.25
    $719.25 - $719.25
    $719.25
    In stock

    SKU 548068A

    This device consists of several different functional components, each meet specific requirements, typical of the circuits used in heating and air-c...

    View full details
    $719.25 - $719.25
    $719.25
    $719.25 - $719.25
    $719.25

  • Caleffi hydro separator 2" NPT union

    Caleffi
    $744.75 - $744.75
    $744.75
    $744.75 - $744.75
    $744.75
    In stock

    SKU 548009A

    This device consists of several different functional components, each meet specific requirements, typical of the circuits used in heating and air-c...

    View full details
    $744.75 - $744.75
    $744.75
    $744.75 - $744.75
    $744.75

  • Caleffi Hydro Separator 1" SWT union

    Caleffi
    $385.50 - $385.50
    $385.50
    $385.50 - $385.50
    $385.50
    In stock

    SKU 548096A

    This device consists of several different functional components, each meet specific requirements, typical of the circuits used in heating and air-c...

    View full details
    $385.50 - $385.50
    $385.50
    $385.50 - $385.50
    $385.50

  • Caleffi Hydro Separator 1 1/4" SWT union

    Caleffi
    $465.00 - $465.00
    $465.00
    $465.00 - $465.00
    $465.00
    In stock

    SKU 548097A

    This device consists of several different functional components, each meet specific requirements, typical of the circuits used in heating and air-c...

    View full details
    $465.00 - $465.00
    $465.00
    $465.00 - $465.00
    $465.00