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  • CALEFFI 301040 VALVE REPAIR & REBUILD KITS
    CALEFFI
    Caleffi 301040 Straight Two-Pipe Valve 1/2M
    SKU: 301040
    Product DescriptionCaleffi 301040 is a straight two-pipe valve designed for panel radiators. It connects to both the bottom supply and return ports, allowing fluid flow to the upper thermostatic valve integrated within the radiator. This valve features a center-to-center distance of fifty millimeters, meeting...
    $55.64
    $55.64
  • 254995359.webp254995360.jpg
    CALEFFI
    Caleffi 304040A Vacuum Relief Valve 1/2 Inch MNPT
    SKU: 304040A
    Product DescriptionThe Caleffi 304040A is a 1/2 inch MNPT vacuum relief valve. This valve functions as a vacuum breaker for domestic water systems. It allows air to enter the piping, preventing vacuum conditions that can pull water and harm equipment. Complies with ANSI Z21.22...
    $60.71
    $60.71
  • CALEFFI 304050A VALVE REPAIR & REBUILD KITS
    CALEFFI
    Caleffi 304050A 3/4 inch Male Vacuum Relief Valve
    SKU: 304050A
    Product DescriptionThe Caleffi 304050A 3/4 inch Male Vacuum Relief Valve is designed for plumbing and heating systems. This valve helps to prevent vacuum conditions that could compromise system integrity. 3/4 inch connection size Made from DZR low-lead brass Meets multiple industry standards Product HighlightsEnsures...
    $42.23
    $42.23
  • CALEFFI 31401FD PIPE FITTINGS
    CALEFFI
    Caleffi 31401 FD Tailpiece 1-1/4 in NPT Union Hydro Separator Replacement MPN
    SKU: 31401FD
    Product DescriptionThe Caleffi 31401 FD Tailpiece is designed for use with the 548007A 1-1/4 inch NPT Union Hydro Separator and the 549507A 1-1/4 inch NPT 4-in-1 Air, Dirt, Hydro, and Magnet Hydraulic Separator. This tailpiece connects efficiently to various hydronic systems, simplifying installation and...
    $56.75
    $56.75
  • CALEFFI 31426FD PIPE FITTINGSCaleffi 31426FD Tailpiece - 2 FNPT
    CALEFFI
    Caleffi 31426FD Tailpiece - 2 FNPT
    SKU: 31426FD
    Product DescriptionThe Caleffi Tailpiece with MPN 31426FD is designed for use with the 548009A two inch NPT Union Hydro Separator and the 549509A FNPT 4-in-1 Air, Dirt, Hydro, and Magnet Hydraulic Separator. Fits 548009A and 549509A Two inch FNPT connection Made for hydronic systems...
    $14.99
    $14.99
  • CALEFFI 31553FD GAS VALVES
    CALEFFI
    Caleffi 31553FD Tailpiece Power 1 in Replacement MPN
    SKU: 31553FD
    Product DescriptionThe Caleffi 31553FD is a tailpiece designed for use with the 548006A one inch NPT union hydro separator and the 549506A one inch NPT four-in-one air, dirt, hydro, and magnet hydraulic separator. This component plays a critical role in the hydronic system, ensuring...
    $30.55
    $30.55
  • CALEFFI
    Caleffi 386500 3/4 Manifold Loop Cap
    SKU: 386500
    Product DescriptionThe Caleffi 386500 3/4 Manifold Loop Cap is designed for manifold outlets. This screw plug features a nut that ensures reliable sealing and prevents leaks in heating systems. The compact size makes it easy to install and maintain within various settings, including radiant...
    $14.99
    $14.99
  • CALEFFI
    Caleffi 386500 3/4 Manifold Loop Cap
    SKU: 386500
    Product DescriptionThe Caleffi 386500 is a 3/4 manifold loop cap designed for use with manifold outlets. This screw plug features a nut that secures the fitting in place, ensuring a tight seal for efficient operation. The cap is ideal for applications within radiant heating...
    $17.32
    $17.32
  • CALEFFI 39623 PIPE FITTINGS
    CALEFFI
    Caleffi 39623 3/4-2 RPZ Air Gap Only
    SKU: 39623
    Product DescriptionThe Caleffi 39623 is a 3/4-2 RPZ air gap designed for plumbing systems. It helps prevent backflow and maintains water quality by ensuring proper drainage. This model is suitable for various applications including residential and commercial installations. Flexible installation options for different pipe...
    $63.87
    $63.87
  • 307139662.jpg
    CALEFFI
    Caleffi 41882A 1-1/2 feet' Swt Tailpiece for 2-1/4 feet' Nut
    SKU: 41882A
    Product Description The CALEFFI 41882A is a plumbing fitting designed as a 1-1/2'' SWT tailpiece for a 2-1/4'' nut. It is suitable for use with the 548098a hydro separator, as well as steel models 548, 5495, and 5461. Plumbing fitting 1-1/2'' SWT tailpiece Compatible...
    $84.97
    $84.97
  • CALEFFI 501502A AIR VENTSCaleffi 501502A Extra Hi Capacity Air Vent 3/4 NPT For NA548 NA549 Series
    CALEFFI
    Caleffi 501502A Extra Hi Capacity Air Vent 3/4 NPT For NA548 NA549 Series
    SKU: 501502A
    Product DescriptionThe Caleffi 501502A Extra Hi Capacity Air Vent is designed for use with the NA548 and NA549 Series. It features a 3/4 NPT connection, ensuring seamless integration into your system. Built from durable materials, this air vent maintains proper airflow and prevents air...
    $262.40
    $262.40
  • CALEFFI 502015A AIR VENTSCaleffi 502015A High Capacity Automatic Air Vent 1/8-Inch NPT Male
    CALEFFI
    Caleffi 502015A High Capacity Automatic Air Vent 1/8-Inch NPT Male
    SKU: 502015A
    Product DescriptionCaleffi 502015A is a high-capacity automatic air vent designed for use in heating and air conditioning systems. This air vent effectively removes trapped air to enhance system efficiency and longevity. Connection Type: Threaded Connection Size: 1/8-Inch NPT Automatic operation improves performance Product HighlightsThis...
    $19.99
    $19.99
  • CALEFFI
    Caleffi 502040A Minical Air Vent 1/2 NPT
    SKU: 502040A
    Product DescriptionCaleffi's Minical Air Vent 502040A is a reliable air release valve designed for hydronic systems. This automatic air vent effectively removes trapped air, ensuring optimal system performance. It features a 1/2 NPT connection, making it suitable for various applications. Automatic operation Compact design...
    $27.49
    $27.49
  • CALEFFI 502043A AIR VENTSCALEFFI 502043A MINICAL 1/2 INCH MPT HIGH CAPACITY AIR VENT
    CALEFFI
    CALEFFI 502043A MINICAL 1/2 INCH MPT HIGH CAPACITY AIR VENT
    SKU: 502043A
    Product DescriptionThe Caleffi 502043A is a high-performance air vent designed to efficiently remove trapped air from hydronic systems. This model features a durable brass construction with a 1/2 inch MNPT connection, suitable for both heating and cooling systems. Efficient air removal from hydronic systems...
    $26.86
    $26.86
  • CALEFFI 502113A PIPE FITTINGSCaleffi 502113A Minical 1/8 with Check, Hygroscopic Cap
    CALEFFI
    Caleffi 502113A Minical 1/8 with Check, Hygroscopic Cap
    SKU: 502113A
    Product Description The Caleffi 502113A Minical is a one eighth inch automatic air vent designed to efficiently discharge air from sealed heating systems. This unit is ideal for use with manifolds or pipes during the heating process. It features a hygroscopic cap that helps...
    $36.39
    $36.39
  • CALEFFI 502115A AIR VENTSCALEFFI 502115A Minical Automatic Air Vent 1/8 inch MNPT 150 PSI Brass
    CALEFFI
    CALEFFI 502115A Minical Automatic Air Vent 1/8 inch MNPT 150 PSI Brass
    SKU: 502115A
    Product DescriptionThe CALEFFI 502115A Minical Automatic Air Vent, designed for 1/8 inch MNPT connections, is an essential component in optimizing heating and cooling systems. Engineered from durable brass, this device automatically expels air to prevent system corrosion, enhance performance, and extend equipment life. Supports...
    $26.53
    $26.53
  • CALEFFI 502243A AIR VENTSCaleffi 502243A High Capacity 1/2 NPT M Air Vent
    CALEFFI
    Caleffi 502243A High Capacity 1/2 NPT M Air Vent
    SKU: 502243A
    Product DescriptionThe Caleffi 502243A is a high capacity air vent designed to be used in industrial and commercial plumbing systems. Featuring a 1/2 NPT male connection, this air vent ensures easy installation into existing pipelines. Constructed from durable materials, it offers longevity and reliability...
    $47.92
    $47.92
  • CALEFFI 502343A AIR VENTS
    CALEFFI
    CALEFFI 502343A 1/2-Inch NPT Automatic High Capacity Male Air Vent
    SKU: 502343A
    Product DescriptionThe CALEFFI 502343A is a high-capacity automatic air vent ideal for optimizing HVAC system efficiency by effectively managing air displacement. This crucial device is engineered to resist corrosion while ensuring long-lasting functionality in your system. High-capacity air venting with corrosion-resistant construction Maximum working...
    $50.57
    $50.57
  • CALEFFI 502610A VENT PIPES & FITTINGSCaleffi 502610A 1/8-Inch Automatic Air Vent NPT Male
    CALEFFI
    Caleffi 502610A 1/8-Inch Automatic Air Vent NPT Male
    SKU: 502610A
    Product DescriptionThe Caleffi 502610A Automatic Air Vent 1/8-Inch NPT Male is a vital component for HVAC systems. Designed by Caleffi, this air vent ensures effective air removal, preventing issues such as noise and system inefficiency. Brass body construction 1/8-Inch NPT male connection Maximum working...
    $15.16
    $15.16
  • CALEFFI 502620A VENT PIPES & FITTINGSCaleffi 502620A Automatic Air Vent 1/4 NPT M
    CALEFFI
    Caleffi 502620A Automatic Air Vent 1/4 NPT M
    SKU: 502620A
    Product DescriptionThe Caleffi 502620A Automatic Air Vent offers efficient air removal from hydronic heating and cooling systems. With 1/4 inch NPT male threads, installation is straightforward. Made of durable brass, this air vent is designed to resist corrosion and ensure long-lasting performance. Automatic air...
    $17.41
    $17.41
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