Free Shipping on All Orders!

Caleffi

Founded in 1956 in Italy, Caleffi is a global leader in hydronic heating, plumbing, and air conditioning components. From thermostatic mixing valves and pressure reducing valves to air separators and zone valves, Caleffi engineers for precision, efficiency, and reliability.
Compare (0/5)

1805 products

Brass autofill combo unit with blue filter housing, inlet valve, outlet gauge, and NPT connections.

Caleffi NA573022 Autofill Combo 1/2" NPT w/Filter & Gauge

SKU #: CALENA573022   |   MPN #: NA573022
$379.70
$379.70 $0.00
MSRP: $495

Available in stock

Caleffi NA573100 Filter Housing Assembly for Autofills

SKU #: CALENA573100   |   MPN #: NA573100
$178.64
$178.64 $0.00
MSRP: $225

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass magnetic dirt separator with 1-1/2" female NPT connections, drain valve, and pressure relief vent.

Caleffi 546308AM DirtMagPRO 1-1/2" FNPT

SKU #: CALE546308AM   |   MPN #: 546308AM
$382.66
$382.66 $0.00
MSRP: $535

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass cylindrical dirt separator with blue Caleffi label, female threaded ports, black warning band, and red drain valve.

Caleffi 546307AM DirtMagPRO 1-1/4" FNPT

SKU #: CALE546307AM   |   MPN #: 546307AM
$297.48
$297.48 $0.00
MSRP: $408

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass dirt separator with female NPT connections, blue Caleffi label, black warning band, and red ball valve at bottom.

Caleffi 546306AM DirtMagPRO 1" FNPT

SKU #: CALE546306AM   |   MPN #: 546306AM
$209.39
$209.39 $0.00
MSRP: $281

Special Order. Expect 4-6 weeks for delivery, subject to change

Caleffi DirtMagPRO brass separator with copper press connections, shut-off valve, and yellow warning label.

Caleffi 546368AM DirtMagPRO 1-1/2" press

SKU #: CALE546368AM   |   MPN #: 546368AM
$449.98
$449.98 $0.00
MSRP: $608

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass DirtMagPRO magnetic separator with copper press connections, drain valve, and red shutoff lever.

Caleffi 546369AM DirtMagPRO 2" press

SKU #: CALE546369AM   |   MPN #: 546369AM
$544.27
$544.27 $0.00
MSRP: $743

Special Order. Expect 4-6 weeks for delivery, subject to change

Caleffi DirtMagPRO brass filter with 1-1/4" press connections, vent valve, and red shut-off lever.

Caleffi 546367AM DirtMagPRO 1-1/4" press

SKU #: CALE546367AM   |   MPN #: 546367AM
$338.97
$338.97 $0.00
MSRP: $467

Special Order. Expect 4-6 weeks for delivery, subject to change

Green hydroseparator with brass fittings and two horizontal connection ports, mounted vertically.

Caleffi 548007A Hydroseparator 1-1/4" NPT Union

SKU #: CALE548007A   |   MPN #: 548007A
$574.72
$574.72 $0.00
MSRP: $748

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass DirtMagPRO 2" FNPT dirt separator with female threaded ports, blue Caleffi label, and red isolation valve.

Caleffi 546309AM DirtMagPRO 2" FNPT

SKU #: CALE546309AM   |   MPN #: 546309AM
$455.97
$455.97 $0.00
MSRP: $642

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass hydroseparator with green cylindrical body, four black union connectors with brass fittings, air vent on top, and drain

Caleffi 548006A Hydroseparator 1" NPT Union

SKU #: CALE548006A   |   MPN #: 548006A
$479.77
$479.77 $0.00
MSRP: $623

Special Order. Expect 4-6 weeks for delivery, subject to change

Caleffi 546354AM DirtMagPRO 2" sweat

SKU #: CALE546354AM   |   MPN #: 546354AM
$440.61
$440.61 $0.00
MSRP: $620

Available in stock

Green cylindrical hydroseparator with brass NPT union fittings, air vent valve on top, and drain valve at bottom.

Caleffi 548008A Hydroseparator 1-1/2" NPT Union

SKU #: CALE548008A   |   MPN #: 548008A
$745.97
$745.97 $0.00
MSRP: $980

Special Order. Expect 4-6 weeks for delivery, subject to change

Green cylindrical hydro separator with brass sweat union connections on sides and top vent valve.

Caleffi 548096A Hydro Separator 1" Sweat Union

SKU #: CALE548096A   |   MPN #: 548096A
$455.76
$455.76 $0.00
MSRP: $591

Special Order. Expect 4-6 weeks for delivery, subject to change

Caleffi hydro separator with green cylindrical body, brass fittings, and press union connections on all sides.

Caleffi 548066A Hydro Separator 1" Press Union

SKU #: CALE548066A   |   MPN #: 548066A
$510.72
$510.72 $0.00
MSRP: $668

Special Order. Expect 4-6 weeks for delivery, subject to change

Caleffi 548097A hydro separator with 1 1/4 inch sweat union connections, cylindrical brass fitting.

Caleffi 548097A Hydro Separator 1 1/4" Sweat Union

SKU #: CALE548097A   |   MPN #: 548097A
$549.74
$549.74 $0.00
MSRP: $713

Special Order. Expect 4-6 weeks for delivery, subject to change

Green vertical hydro separator with brass press union fittings on sides and top vent valve.

Caleffi 548067A Hydro Separator 1-1/4" Press Union

SKU #: CALE548067A   |   MPN #: 548067A
$647.78
$647.78 $0.00
MSRP: $850

Special Order. Expect 4-6 weeks for delivery, subject to change

Green cylindrical hydro separator with brass sweat union connections on sides and top vent valve.

Caleffi 548098A Hydro Separator 1 1/2" Sweat Union

SKU #: CALE548098A   |   MPN #: 548098A
$712.43
$712.43 $0.00
MSRP: $933

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass and green manifold with four copper ports, pressure gauges, and brass valve at top.

Caleffi 549506A SEP 4 4-in-1 Union 1" NPT

SKU #: CALE549506A   |   MPN #: 549506A
$696.98
$696.98 $0.00
MSRP: $922

Special Order. Expect 4-6 weeks for delivery, subject to change

Green manifold with four copper press connections, brass top valve, and drain outlet at bottom.

Caleffi 549566A SEP 4 4-in-1 Union 1" Press

SKU #: CALE549566A   |   MPN #: 549566A
$736.40
$736.40 $0.00
MSRP: $971

Special Order. Expect 4-6 weeks for delivery, subject to change

Caleffi FAQ

What is Caleffi?

Caleffi is a manufacturer of hydronic heating and plumbing components, known for high-quality valves, fittings, and system solutions designed for efficiency and reliability.

What products does Caleffi offer?

Caleffi offers mixing valves, pressure reducing valves (PRVs), pressure relief valves, air separators, zone valves, and hydronic system controls for plumbing and HVAC applications.

What is a Caleffi mixing valve used for?

Caleffi mixing valves, including thermostatic and temperature mixing valves, regulate water temperature to improve safety, comfort, and system efficiency.

What does a Caleffi pressure reducing valve do?

A Caleffi pressure reducing valve (PRV) controls incoming water pressure, protecting plumbing systems and fixtures from damage caused by high pressure.

What is a Caleffi air separator?

Caleffi air separators remove air from hydronic heating systems, improving efficiency, reducing noise, and preventing system damage.

Are Caleffi products high quality?

Caleffi products are made from premium materials and engineered for durability, offering long-lasting performance in demanding hydronic and plumbing systems.

Where are Caleffi products made?

Caleffi was founded in Italy and operates globally, with manufacturing and distribution supporting markets including Caleffi North America.

Can Caleffi products be used in residential and commercial systems?

Yes, Caleffi components are designed for residential, commercial, and industrial hydronic systems, ensuring consistent performance across applications.

Do Caleffi products help improve energy efficiency?

By regulating temperature, pressure, and air removal, Caleffi valves and components help hydronic systems operate more efficiently and reduce energy waste.

Why choose Caleffi for hydronic systems?

Caleffi stands out for precision engineering, reliable performance, and a complete range of hydronic solutions that support safe, efficient plumbing and heating systems.
Free Shipping on Everything!
30 Days Free Returns
Secure Payment
Expert Customer Support