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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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  • AngleMix 3-Way Mixing valve 1" press union, check valves

    Caleffi North America, Inc
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $383.25
    $383.25 - $383.25
    Current price $383.25
    In stock

    SKU 520616AC

    Angled thermostatic mixing valve Technical data Maximum static operating pressure: 150 psi Maximum dynamic operating pressure: 75 psi Adjus...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $383.25
    $383.25 - $383.25
    Current price $383.25
  • Caleffi 3-way Divert Valve 1-1/4" Sweat 7.5 Cv

    Caleffi North America, Inc
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $132.00
    $132.00 - $132.00
    Current price $132.00
    In stock

    SKU Z300737

    Z3 3-way diverting valve body for motorized zone valvesThree-way on/off two position valve.Diverting flow pattern.Stainless steel stem.EPDM rubbe...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $132.00
    $132.00 - $132.00
    Current price $132.00
  • Caleffi 1" Union Thread with Gauge

    Caleffi North America, Inc
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $42.50
    $42.50 - $42.50
    Current price $42.50
    In stock

    SKU NA10358

    Point of distribution mixed temperature gauge adapterFace dial diameter: 2". Technical data Fluid temperature range: 30–210 °F

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $42.50
    $42.50 - $42.50
    Current price $42.50
  • Autofill Combo 1/2" FNPT X 1/2" FNPT W/ Gauge

    Caleffi North America, Inc
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $205.50
    $205.50 - $205.50
    Current price $205.50
    In stock

    SKU 573012A

    Automatic filling valve with backflow preventer and pressure gaugePre-adjustable automatic filling valve with backflow preventer. Technical dat...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $205.50
    $205.50 - $205.50
    Current price $205.50
  • 142 Series Variable Orifice Low Lead Balancing Valve 1" NPT w/PT ports

    Caleffi North America, Inc
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $146.92
    $146.92 - $146.92
    Current price $146.92
    In stock

    SKU 142261A

    Static balancing valve (variable orifice, low-lead)Certified to Low Lead Laws and listed by ICC-ES for use in accordance with the U.S. and Canadia...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $146.92
    $146.92 - $146.92
    Current price $146.92
  • 142 Series Variable Orifice Low Lead Balancing Valve 3/4" NPT w/PT ports

    Caleffi North America, Inc
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $108.46
    $108.46 - $108.46
    Current price $108.46
    In stock

    SKU 142251A

    Static balancing valve (variable orifice, low-lead)Certified to Low Lead Laws and listed by ICC-ES for use in accordance with the U.S. and Canadia...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $108.46
    $108.46 - $108.46
    Current price $108.46
  • 142 Series Variable Orifice Low Lead Balancing Valve 1/2" NPT w/PT ports

    Caleffi North America, Inc
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $100.77
    $100.77 - $100.77
    Current price $100.77
    Out of stock

    SKU 142241A

    Static balancing valve (variable orifice, low-lead)Certified to Low Lead Laws and listed by ICC-ES for use in accordance with the U.S. and Canadia...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $100.77
    $100.77 - $100.77
    Current price $100.77
    Sold out
  • ThermoSetter Adjustable Thermal Balancing Valve ½” press unions

    Caleffi North America, Inc
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $268.33
    $268.33 - $268.33
    Current price $268.33
    In stock

    SKU 116440AC 006

    Thermal balancing valve (press)Features union connections.For domestic hot water recirculation circuits.Drywell for optional temperature gauge or ...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $268.33
    $268.33 - $268.33
    Current price $268.33
  • Z-one Relay Six Zone Valve Control

    Caleffi North America, Inc
    Original price $266.84 - Original price $266.84
    Original price
    $266.84
    $266.84 - $266.84
    Current price $266.84
    In stock

    SKU ZVR106

    Relay (multi-zone)The ZVR series is a multi-zone valve relay and boiler operating control for multiple zone hydronic heating systems. The ZVR serie...

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    Original price $266.84 - Original price $266.84
    Original price
    $266.84
    $266.84 - $266.84
    Current price $266.84
  • Caleffi Single Zone Relay

    Caleffi North America, Inc
    Original price $96.32 - Original price $96.32
    Original price
    $96.32
    $96.32 - $96.32
    Current price $96.32
    In stock

    SKU ZSR101

    Single zone relayReplaceable fuses: Type 2AG, 5A slow blow.Transformer voltage: 24 VACMaximum transformer load: 12 VAElectrical switch rating: 10A...

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    Original price $96.32 - Original price $96.32
    Original price
    $96.32
    $96.32 - $96.32
    Current price $96.32
  • Expansion transformer for ZVR series

    Caleffi North America, Inc
    Original price $55.98 - Original price $55.98
    Original price
    $55.98
    $55.98 - $55.98
    Current price $55.98
    In stock

    SKU NA10343

    Original price $55.98 - Original price $55.98
    Original price
    $55.98
    $55.98 - $55.98
    Current price $55.98
  • SEP 4™ 4-in-1 Union 1" Press

    Caleffi North America, Inc
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $728.25
    $728.25 - $728.25
    Current price $728.25
    In stock

    SKU 549566A

    4-in-1 Hydraulic Separators (Union)Combination: air, hydraulic, dirt, and magnetic separationComplete with: Drain valve Thermowell tap: ½" straigh...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $728.25
    $728.25 - $728.25
    Current price $728.25
  • DirtMagPRO™ 1-1/2" press

    Caleffi North America, Inc
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $456.00
    $456.00 - $456.00
    Current price $456.00
    In stock

    SKU 546368AM

    Dual magnet dirt separator (press)Internal magnet in drywell and clip-on magnetGlass reinforced nylon internal elementComplete with: Drain valve ...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $456.00
    $456.00 - $456.00
    Current price $456.00
  • Caleffi DirtMagPRO1" press

    Caleffi North America, Inc
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $237.41
    $237.41 - $237.41
    Current price $237.41
    In stock

    SKU 546366AM

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $237.41
    $237.41 - $237.41
    Current price $237.41
  • Double angle valve - 1/2" LH for towel warmers

    Dianorm
    Original price $59.05 - Original price $59.05
    Original price
    $59.05
    $59.05 - $59.05
    Current price $59.05
    In stock

    SKU M2311-02

    Original price $59.05 - Original price $59.05
    Original price
    $59.05
    $59.05 - $59.05
    Current price $59.05
  • Double angle valve - 1/2" RH for towel warmers

    Dianorm
    Original price $59.05 - Original price $59.05
    Original price
    $59.05
    $59.05 - $59.05
    Current price $59.05
    In stock

    SKU M2310-02

    Original price $59.05 - Original price $59.05
    Original price
    $59.05
    $59.05 - $59.05
    Current price $59.05
  • Combi 2 service valve-angle

    Dianorm
    Original price $27.66 - Original price $27.66
    Original price
    $27.66
    $27.66 - $27.66
    Current price $27.66
    In stock

    SKU M0355-02

    Original price $27.66 - Original price $27.66
    Original price
    $27.66
    $27.66 - $27.66
    Current price $27.66
  • Calefactio Glycol Feeder 4gal

    Hydronic Systems Inc.
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $550.00
    $550.00 - $550.00
    Current price $550.00
    In stock

    SKU GMP4

    The GMP4’s primary function is to automatically supply pressurized water or a water/glycol mixture to a closed-loop space heating, chilled water, s...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $550.00
    $550.00 - $550.00
    Current price $550.00
  • Caleffi 1" Union Washer - R20011

    Caleffi North America, Inc
    Original price $2.20 - Original price $2.20
    Original price
    $2.20
    $2.20 - $2.20
    Current price $2.20
    In stock

    SKU F50055

    Original price $2.20 - Original price $2.20
    Original price
    $2.20
    $2.20 - $2.20
    Current price $2.20
  • XF Magnetic Strainer 1-1/2" press union

    Caleffi North America, Inc
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $741.63
    $741.63 - $741.63
    Current price $741.63
    In stock

    SKU 577986A

    Semi-automatic self-cleaning magnetic filter.  Adjustable for horizontal and vertical pipes. Drain cock with hose connection. Connection: G 3/4"...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $741.63
    $741.63 - $741.63
    Current price $741.63
  • XF Magnetic Strainer 1-1/4" press union

    Caleffi North America, Inc
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $600.20
    $600.20 - $600.20
    Current price $600.20
    In stock

    SKU 577876A

    Semi-automatic self-cleaning magnetic filter.  Adjustable for horizontal and vertical pipes. Drain cock with hose connection. Connection: G 3/4"...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $600.20
    $600.20 - $600.20
    Current price $600.20
  • Viessmann 4.75 gallon volume expansion tank with mounting hardware for solar closed loop systems

    Viessmann
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $243.55
    $243.55 - $243.55
    Current price $243.55
    In stock

    SKU 7248 241

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $243.55
    $243.55 - $243.55
    Current price $243.55
  • Viessmann 13.25 gallon volume expansion tank with mounting hardware for solar closed loop systems

    Viessmann
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $587.40
    $587.40 - $587.40
    Current price $587.40
    In stock

    SKU 7248 244

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $587.40
    $587.40 - $587.40
    Current price $587.40
  • Viessmann 10.5 gallon volume expansion tank with mounting hardware for solar closed loop systems

    Viessmann
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $395.00
    $395.00 - $395.00
    Current price $395.00
    In stock

    SKU 7248 243

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $395.00
    $395.00 - $395.00
    Current price $395.00
  • Viessmann 6.5 gallon volume expansion tank with mounting hardware for solar closed loop systems

    Viessmann
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $312.12
    $312.12 - $312.12
    Current price $312.12
    In stock

    SKU 7248 242

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $312.12
    $312.12 - $312.12
    Current price $312.12
  • Rheem RTG-3 Series Mid-Efficiency Indoor 199K BTU Propane Gas

    Rheem Sales Company Inc
    Original price $1,304.62 - Original price $1,304.62
    Original price
    $1,304.62
    $1,304.62 - $1,304.62
    Current price $1,304.62
    In stock

    SKU RTG-95DVLP-3

    Easy Installation • Industry Leading! 43' vent run capability • Enhanced design up to 10% smaller to fit in even more places than before • Enhanced...

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    Original price $1,304.62 - Original price $1,304.62
    Original price
    $1,304.62
    $1,304.62 - $1,304.62
    Current price $1,304.62
  • Rheem RTG-3 Series Mid-Efficiency Indoor 180K BTU Natural Gas

    Rheem Sales Company Inc
    Original price $986.15 - Original price $986.15
    Original price
    $986.15
    $986.15 - $986.15
    Current price $986.15
    In stock

    SKU RTG-84DVLN-3

    Easy Installation • Industry Leading! 43' vent run capability • Enhanced design up to 10% smaller to fit in even more places than before • Enhanced...

    View full details
    Original price $986.15 - Original price $986.15
    Original price
    $986.15
    $986.15 - $986.15
    Current price $986.15
  • Rheem RTGH-3 Series High-Efficiency Indoor 199K BTU Propane Gas

    Rheem Sales Company Inc
    Original price $1,607.69 - Original price $1,607.69
    Original price
    $1,607.69
    $1,607.69 - $1,607.69
    Current price $1,607.69
    In stock

    SKU RTGH-95DVLP-3

    High Efficiency Performance Up to 1.5X the efficiency of a standard 50-gallon gas tank – .93 UEF for condensing and .82 UEF for non-condensing Up...

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    Original price $1,607.69 - Original price $1,607.69
    Original price
    $1,607.69
    $1,607.69 - $1,607.69
    Current price $1,607.69
  • Rheem RTG-3 Series Mid-Efficiency Outdoor 199K BTU Propane Gas

    Rheem Sales Company Inc
    Original price $1,304.62 - Original price $1,304.62
    Original price
    $1,304.62
    $1,304.62 - $1,304.62
    Current price $1,304.62
    In stock

    SKU RTG-95XLP-3

    Easy Installation • Industry Leading! 43' vent run capability • Enhanced design up to 10% smaller to fit in even more places than before • Enhanced...

    View full details
    Original price $1,304.62 - Original price $1,304.62
    Original price
    $1,304.62
    $1,304.62 - $1,304.62
    Current price $1,304.62
  • Rheem RTG-3 Series Mid-Efficiency Indoor 199K BTU Natural Gas

    Rheem Sales Company Inc
    Original price $1,304.62 - Original price $1,304.62
    Original price
    $1,304.62
    $1,304.62 - $1,304.62
    Current price $1,304.62
    In stock

    SKU RTG-95DVLN-3

    Easy Installation • Industry Leading! 43' vent run capability • Enhanced design up to 10% smaller to fit in even more places than before • Enhanced...

    View full details
    Original price $1,304.62 - Original price $1,304.62
    Original price
    $1,304.62
    $1,304.62 - $1,304.62
    Current price $1,304.62
  • Rheem RTG-3 Series Mid-Efficiency Indoor 180K BTU Propane Gas

    Rheem Sales Company Inc
    Original price $986.15 - Original price $986.15
    Original price
    $986.15
    $986.15 - $986.15
    Current price $986.15
    In stock

    SKU RTG-84DVLP-3

    Easy Installation • Industry Leading! 43' vent run capability • Enhanced design up to 10% smaller to fit in even more places than before • Enhanced...

    View full details
    Original price $986.15 - Original price $986.15
    Original price
    $986.15
    $986.15 - $986.15
    Current price $986.15
  • Control Board - RTGH L

    Rheem Sales Company Inc
    Original price $379.23 - Original price $379.23
    Original price
    $379.23
    $379.23 - $379.23
    Current price $379.23
    Out of stock

    SKU RTG20239B

    Control Board  Please Note: Many replacement control boards have subtle differences between them, and the picture may not match your part. If you a...

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    Original price $379.23 - Original price $379.23
    Original price
    $379.23
    $379.23 - $379.23
    Current price $379.23
    Sold out
  • Rheem RTG-3 Series Mid-Efficiency Outdoor 180K BTU Propane Gas

    Rheem Sales Company Inc
    Original price $986.15 - Original price $986.15
    Original price
    $986.15
    $986.15 - $986.15
    Current price $986.15
    In stock

    SKU RTG-84XLP-3

    Easy Installation • Industry Leading! 43' vent run capability • Enhanced design up to 10% smaller to fit in even more places than before • Enhanced...

    View full details
    Original price $986.15 - Original price $986.15
    Original price
    $986.15
    $986.15 - $986.15
    Current price $986.15
  • Watts Radiant Compression Fitting O-Rings, 3/8" 10/PK

    Watts Radiant, Inc
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $12.22
    $12.22 - $12.22
    Current price $12.22
    In stock

    SKU 81011167

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $12.22
    $12.22 - $12.22
    Current price $12.22
  • Watts Radiant extra press sleeve 1/2" (10 pack)

    Watts Radiant, Inc
    Original price $3.53 - Original price $3.53
    Original price
    $3.53
    $3.53 - $3.53
    Current price $3.53
    In stock

    SKU 81010648

    Original price $3.53 - Original price $3.53
    Original price
    $3.53
    $3.53 - $3.53
    Current price $3.53
  • ROTH 1" PEX to 1" COPPER MIP (BAG OF 2)

    Roth Industries, Inc
    Original price $225.26 - Original price $225.26
    Original price
    $225.26
    $225.26 - $225.26
    Current price $225.26
    In stock

    SKU 2335002333

    Original price $225.26 - Original price $225.26
    Original price
    $225.26
    $225.26 - $225.26
    Current price $225.26