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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 flow indicator 1/4 to 1 gallon/minute scale

    Caleffi
    $36.70 - $36.70
    $36.70
    $36.70 - $36.70
    $36.70
    In stock

    SKU NA669150

    Product Description Self cleaning flow meterDouble reading scale.Accuracy ±10%. Technical data Maximum operating pressure: 6 bar Fluid temper...

    View full details
    $36.70 - $36.70
    $36.70
    $36.70 - $36.70
    $36.70

  • Caleffi 3/4" sweat copper tail piece w/ 1" union nut & washer

    Caleffi
    $22.38 - $22.38
    $22.38
    $22.38 - $22.38
    $22.38
    In stock

    SKU NA20659

    $22.38 - $22.38
    $22.38
    $22.38 - $22.38
    $22.38

  • 1" Press, 1-1/4" Nut, Washer (PRV)

    Caleffi
    $40.20 - $40.20
    $40.20
    $40.20 - $40.20
    $40.20
    In stock

    SKU NA20766

    $40.20 - $40.20
    $40.20
    $40.20 - $40.20
    $40.20

  • Caleffi 1" Press copper tail piece w/ 1" union nut, washer & check

    Caleffi
    $89.25 - $89.25
    $89.25
    $89.25 - $89.25
    $89.25
    In stock

    SKU NA20666C

    $89.25 - $89.25
    $89.25
    $89.25 - $89.25
    $89.25

  • Caleffi 1" Press copper tail piece w/ 1" union nut & washer

    Caleffi
    $41.36 - $41.36
    $41.36
    $41.36 - $41.36
    $41.36
    In stock

    SKU NA20666

    $41.36 - $41.36
    $41.36
    $41.36 - $41.36
    $41.36

  • Caleffi 3/4" Press copper tail piece w/ 1" union nut, washer & check

    Caleffi
    $58.38 - $58.38
    $58.38
    $58.38 - $58.38
    $58.38
    In stock

    SKU NA20656C

    $58.38 - $58.38
    $58.38
    $58.38 - $58.38
    $58.38

  • Caleffi 3/4" Press copper tail piece w/ 1" union nut & washer

    Caleffi
    $26.25 - $26.25
    $26.25
    $26.25 - $26.25
    $26.25
    In stock

    SKU NA20656

    $26.25 - $26.25
    $26.25
    $26.25 - $26.25
    $26.25

  • Caleffi 3/4" FNPT, 1" nut, washer

    Caleffi
    $19.83 - $19.83
    $19.83
    $19.83 - $19.83
    $19.83
    In stock

    SKU NA20653

    $19.83 - $19.83
    $19.83
    $19.83 - $19.83
    $19.83

  • Caleffi 3/4" MNPT, 1" nut, washer

    Caleffi
    $17.42 - $17.42
    $17.42
    $17.42 - $17.42
    $17.42
    In stock

    SKU NA20650

    $17.42 - $17.42
    $17.42
    $17.42 - $17.42
    $17.42

  • Caleffi 1/2" Sweat tail piece w/ 1" union nut & washer

    Caleffi
    $18.63 - $18.63
    $18.63
    $18.63 - $18.63
    $18.63
    In stock

    SKU NA20649

    $18.63 - $18.63
    $18.63
    $18.63 - $18.63
    $18.63

  • Caleffi 1/2" Press copper tail piece w/ 1" union nut & washer

    Caleffi
    $24.13 - $24.13
    $24.13
    $24.13 - $24.13
    $24.13
    In stock

    SKU NA20646

    $24.13 - $24.13
    $24.13
    $24.13 - $24.13
    $24.13

  • Caleffi 1" sweat copper tail piece w/ 1" union nut & washer

    Caleffi
    $39.00 - $39.00
    $39.00
    $39.00 - $39.00
    $39.00
    In stock

    SKU NA20669

    $39.00 - $39.00
    $39.00
    $39.00 - $39.00
    $39.00

  • QuickSetter Balancing Valve w/ FM 3/4" press 2-7 GPM

    Caleffi
    $211.67 - $211.67
    $211.67
    $211.67 - $211.67
    $211.67
    In stock

    SKU 132556A

    $211.67 - $211.67
    $211.67
    $211.67 - $211.67
    $211.67

  • Caleffi 3/4" Pex-Al-Pex fitting for manifold, ASTM F1281 200 degree F rating

    Caleffi
    $20.52 - $20.52
    $20.52
    $20.52 - $20.52
    $20.52
    In stock

    SKU 682550A

    $20.52 - $20.52
    $20.52
    $20.52 - $20.52
    $20.52

  • Caleffi 5/8" Pex-Al-Pex fitting for manifold, ASTM F1281 200 degree F rating

    Caleffi
    $11.46 - $11.46
    $11.46
    $11.46 - $11.46
    $11.46
    In stock

    SKU 682545A

    $11.46 - $11.46
    $11.46
    $11.46 - $11.46
    $11.46

  • Caleffi 1/2" Pex-Al-Pex fitting for manifold, ASTM F1281 200 degree F rating

    Caleffi
    $10.83 - $10.83
    $10.83
    $10.83 - $10.83
    $10.83
    In stock

    SKU 682540A

    $10.83 - $10.83
    $10.83
    $10.83 - $10.83
    $10.83

  • Autofill Combo 1/2" FNPT X 1/2" FNPT

    Caleffi
    $160.50 - $160.50
    $160.50
    $160.50 - $160.50
    $160.50
    In stock

    SKU 573002A

    $160.50 - $160.50
    $160.50
    $160.50 - $160.50
    $160.50

  • Caleffi segment C ring for 3/4" solar flex - Discontinued 2018

    Caleffi
    $3.73 - $3.73
    $3.73
    $3.73 - $3.73
    $3.73
    In stock

    SKU NA12113

    $3.73 - $3.73
    $3.73
    $3.73 - $3.73
    $3.73

  • Caleffi segment C ring for 1/2" solar flex - Discontinued 2018

    Caleffi
    $2.44 - $2.44
    $2.44
    $2.44 - $2.44
    $2.44
    In stock

    SKU NA12112

    $2.44 - $2.44
    $2.44
    $2.44 - $2.44
    $2.44

  • Caleffi 1/2" SolarFlex stainless steel insulated pipe 50' coil with sensor wire - Discontinued 2018

    Caleffi
    $770.93 - $770.93
    $770.93
    $770.93 - $770.93
    $770.93
    In stock

    SKU NA3520-15

    SolarFlex™ stainless steel piping with EPDM insulation. Used to connect solar collector with storage tank. Integrated sensor cable saves time and ...

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    $770.93 - $770.93
    $770.93
    $770.93 - $770.93
    $770.93

  • Caleffi 3-way diverting valve w/ 3/4" sweat 240 degrees, 20 gpm - Replaces Z300537

    Caleffi
    $75.75 - $75.75
    $75.75
    $75.75 - $75.75
    $75.75
    In stock

    SKU Z307537

    $75.75 - $75.75
    $75.75
    $75.75 - $75.75
    $75.75

  • Caleffi 3/4" PRESS zone valve & TwisTop 24V actuator w/ endswitch

    Caleffi
    $148.06 - $148.06
    $148.06
    $148.06 - $148.06
    $148.06
    In stock

    SKU 676256A

    $148.06 - $148.06
    $148.06
    $148.06 - $148.06
    $148.06

  • Caleffi flow check valve 3/4" NPT female

    Caleffi
    $19.24 - $19.24
    $19.24
    $19.24 - $19.24
    $19.24
    In stock

    SKU 510502A

    $19.24 - $19.24
    $19.24
    $19.24 - $19.24
    $19.24

  • Double Nipple for 1" SolarFlex w/ 1.25" thread * 1.25' thread

    Caleffi
    $27.33 - $27.33
    $27.33
    $27.33 - $27.33
    $27.33
    In stock

    SKU NA12124

    $27.33 - $27.33
    $27.33
    $27.33 - $27.33
    $27.33

  • Double Nipple for 1/2" SolarFlex with 3/4" male x 3/4" male

    Caleffi
    $13.69 - $13.69
    $13.69
    $13.69 - $13.69
    $13.69
    In stock

    SKU NA12122

    $13.69 - $13.69
    $13.69
    $13.69 - $13.69
    $13.69

  • 6 Zone Pump Control

    Caleffi
    $314.21 - $314.21
    $314.21
    $314.21 - $314.21
    $314.21
    In stock

    SKU ZSR106

    The ZSR series is multi-zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low volta...

    View full details
    $314.21 - $314.21
    $314.21
    $314.21 - $314.21
    $314.21

  • Pipe Hangers for 1/2" Solar Flex (Sold from Caleffi in 4 packs)

    Caleffi
    $25.29 - $25.29
    $25.29
    $25.29 - $25.29
    $25.29
    In stock

    SKU NA12132

    $25.29 - $25.29
    $25.29
    $25.29 - $25.29
    $25.29

  • Caleffi Twistop thermoelectric actuator 24V w/ micro switch (replaces 656314)

    Caleffi
    $103.97 - $103.97
    $103.97
    $103.97 - $103.97
    $103.97
    In stock

    SKU 656354

    Power Supply:  24 V AC/DCInitial current draw:  ≤ 250 mAPower consumption:      Holding:  3 W     Inrush:  6 VA Rating of micro-switch contacts:  ...

    View full details
    $103.97 - $103.97
    $103.97
    $103.97 - $103.97
    $103.97

  • Caleffi shut-off air vent valve 1/2" NPT M x F, 360 degree F rated

    Caleffi
    $42.30 - $42.30
    $42.30
    $42.30 - $42.30
    $42.30
    In stock

    SKU NA29284

    $42.30 - $42.30
    $42.30
    $42.30 - $42.30
    $42.30

  • Caleffi 3/4" sweat tail piece for use with 1" union nut

    Caleffi
    $10.36 - $10.36
    $10.36
    $10.36 - $10.36
    $10.36
    In stock

    SKU NA10003

    $10.36 - $10.36
    $10.36
    $10.36 - $10.36
    $10.36

  • Caleffi temperature pocket well for hydro separators 1/2" NPT & 1-3/4" long

    Caleffi
    $15.97 - $15.97
    $15.97
    $15.97 - $15.97
    $15.97
    In stock

    SKU 694045

    For 548 and 5495 Series Hydro Separators. Fits:→ 1"→ 1¼"→ 1½"→ 2" 1¾" pocket length. Inside thread:  20 x 1.0 mm

    $15.97 - $15.97
    $15.97
    $15.97 - $15.97
    $15.97

  • Caleffi boiler feed valve 1/2" NPT inlet 1/2" NPT outlet

    Caleffi
    $93.69 - $93.69
    $93.69
    $93.69 - $93.69
    $93.69
    In stock

    SKU 553542A

    1/2" MNPT Inlet x 1/2" FNPT Outlet Pre-adjustable automatic filling valve, anti-scale, visual system pressure setting indicator. Complete with man...

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    $93.69 - $93.69
    $93.69
    $93.69 - $93.69
    $93.69

  • Z-one Relay Four Zone Valve Control

    Caleffi
    $197.37 - $197.37
    $197.37
    $197.37 - $197.37
    $197.37
    In stock

    SKU ZVR104

    Interfaces with low voltage thermostats or any other low voltage controllers having a switching action. Controls from 3 to 6 zones (model dependent...

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    $197.37 - $197.37
    $197.37
    $197.37 - $197.37
    $197.37

  • Z-one Relay Three Zone Valve Control

    Caleffi
    $166.58 - $166.58
    $166.58
    $166.58 - $166.58
    $166.58
    In stock

    SKU ZVR103

    Interfaces with low voltage thermostats or any other low voltage controllers having a switching action. Controls from 3 to 6 zones (model dependent...

    View full details
    $166.58 - $166.58
    $166.58
    $166.58 - $166.58
    $166.58

  • 4 Zone Pump Control

    Caleffi
    $256.58 - $256.58
    $256.58
    $256.58 - $256.58
    $256.58
    In stock

    SKU ZSR104

    The ZSR series is multi-zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low volta...

    View full details
    $256.58 - $256.58
    $256.58
    $256.58 - $256.58
    $256.58

  • Caleffi automatic air vent 1/8" NPT male w/ check valve

    Caleffi
    $15.07 - $15.07
    $15.07
    $15.07 - $15.07
    $15.07
    In stock

    SKU 502710A

    $15.07 - $15.07
    $15.07
    $15.07 - $15.07
    $15.07