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    Caleffi

    We are a manufacturer and marketer of innovative products for heating, cooling, plumbing and process works applications. Our expertise is the control of temperature, pressure and flow of water-based fluids. Our products range from control valves, balancing devices and flow switches to zone relays and heat meters.

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    Picture of 1-1/2 UNION WASHER-MIXING BLOCKS

    1-1/2 UNION WASHER-MIXING BLOCKS

    CALEFFI:R50057
    SKU: CALEFFI:R50057
    $0.00
    Picture of 1-1/4 SWT LOW LEAD TAIL PIECE

    1-1/4 SWT LOW LEAD TAIL PIECE

    CALEFFI:41787CST
    SKU: CALEFFI:41787CST
    $0.00
    Picture of O-RING FOR GAUGE ADAPTOR

    O-RING FOR GAUGE ADAPTOR

    CALEFFI:F67037
    SKU: CALEFFI:F67037
    $0.63
    Picture of O-RING FOR 536 GAUGE ADAPTER

    O-RING FOR 536 GAUGE ADAPTER

    CALEFFI:R57264
    SKU: CALEFFI:R57264
    $0.84
    Picture of CLEAR REPLACEMENT PLASTIC CAP- AUTOFILS

    CLEAR REPLACEMENT PLASTIC CAP- AUTOFILS

    CALEFFI:NA10197
    SKU: CALEFFI:NA10197
    $1.25
    Picture of 3/4 UNION WASHER

    3/4 UNION WASHER

    CALEFFI:R0001458
    SKU: CALEFFI:R0001458
    $1.26
    Picture of 1 UNION WASHER FOR LEGIOMIX 3/4

    1 UNION WASHER FOR LEGIOMIX 3/4

    CALEFFI:R0001462
    SKU: CALEFFI:R0001462
    $1.34
    Picture of 1 UNION WASHER

    1 UNION WASHER

    CALEFFI:R20011
    SKU: CALEFFI:R20011
    $1.34
    Picture of PLASTIC CAP FOR ROBOCAL (AIR VENT 5026)

    PLASTIC CAP FOR ROBOCAL (AIR VENT 5026)

    CALEFFI:R56142
    SKU: CALEFFI:R56142
    $1.65
    Picture of PLASTIC CAP FOR 5020-5022

    PLASTIC CAP FOR 5020-5022

    CALEFFI:R56214
    SKU: CALEFFI:R56214
    $1.72
    Picture of 1 UNION GASKET

    1 UNION GASKET

    CALEFFI:F50055
    SKU: CALEFFI:F50055
    $1.72
    Picture of REPLACEMENT CHECK VALVE FOR 521333A

    REPLACEMENT CHECK VALVE FOR 521333A

    CALEFFI:NA10479
    SKU: CALEFFI:NA10479
    $1.80
    Picture of STD PLASTIC CHECK VALVE INSERT OV20

    STD PLASTIC CHECK VALVE INSERT OV20

    CALEFFI:NA10405
    SKU: CALEFFI:NA10405
    $1.96
    Picture of 1-1/4 UNION WASHER

    1-1/4 UNION WASHER

    CALEFFI:R0001454
    SKU: CALEFFI:R0001454
    $2.10
    Picture of PLASTIC CHECKVALVE INSERT FOR 521AC MIXING VALVES

    PLASTIC CHECKVALVE INSERT FOR 521AC MIXING VALVES

    CALEFFI:R39204
    SKU: CALEFFI:R39204
    $2.74
    Picture of REPLACEMENT GASKET-548006A

    REPLACEMENT GASKET-548006A

    CALEFFI:R50005
    SKU: CALEFFI:R50005
    $2.82
    Picture of REPLACEMENT BACKFLOW GASKET, 3MM

    REPLACEMENT BACKFLOW GASKET, 3MM

    CALEFFI:R0001622
    SKU: CALEFFI:R0001622
    $2.94
    Picture of 3/4 BRASS UNION NUT

    3/4 BRASS UNION NUT

    CALEFFI:F41186
    SKU: CALEFFI:F41186
    $2.98
    Picture of 1-1/2 UNION WASHER

    1-1/2 UNION WASHER

    CALEFFI:R0001457
    SKU: CALEFFI:R0001457
    $3.02
    Picture of REPLACEMENT BACKFLOW GASKET

    REPLACEMENT BACKFLOW GASKET

    CALEFFI:R0001461
    SKU: CALEFFI:R0001461
    $3.02
    Picture of LOW LEAD GAUGE ADAPTER TIN PLATE

    LOW LEAD GAUGE ADAPTER TIN PLATE

    CALEFFI:NA10498
    SKU: CALEFFI:NA10498
    $3.14
    Picture of WALL COVERING PLATE

    WALL COVERING PLATE

    CALEFFI:449740
    SKU: CALEFFI:449740
    $3.45
    Picture of SENSOR HOLDER GROMMET

    SENSOR HOLDER GROMMET

    CALEFFI:NA10426
    SKU: CALEFFI:NA10426
    $3.53
    Picture of 1 CHROME NUT

    1 CHROME NUT

    CALEFFI:F61008
    SKU: CALEFFI:F61008
    $3.61
    Picture of 1 SLIP NUT

    1 SLIP NUT

    CALEFFI:R0000915
    SKU: CALEFFI:R0000915
    $3.86
    Picture of CONICAL FILTER

    CONICAL FILTER

    CALEFFI:F52429
    SKU: CALEFFI:F52429
    $3.92
    Picture of 1/2 NPT LOW LEAD NIPPLE

    1/2 NPT LOW LEAD NIPPLE

    CALEFFI:NA10834
    SKU: CALEFFI:NA10834
    $4.03
    Picture of 1 BRASS SLIP NUT

    1 BRASS SLIP NUT

    CALEFFI:F0000698
    SKU: CALEFFI:F0000698
    $5.02
    Picture of 2 UNION GASKET FOR 548007A

    2 UNION GASKET FOR 548007A

    CALEFFI:R50008
    SKU: CALEFFI:R50008
    $5.64
    Picture of 5212 REPLACEMENT CHECK VALVE/FILTER KIT

    5212 REPLACEMENT CHECK VALVE/FILTER KIT

    CALEFFI:F0001270
    SKU: CALEFFI:F0001270
    $5.71
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