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Caleffi Hydronic Solutions


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.

The Group has 1,340 employees worldwide and distributes to over 90 countries with a recorded turnover above 318 million euros in 2020. The CUBOROSSO (REDCUBE) Studies and Research Centre and the MAV Automatic Vertical Warehouse which guarantees even faster shipment and more punctual delivery, are additional strength points.   The Group is comprised of four owned companies (CALEFFI, PRESSCO, RDZ, CRISTINA), two multibrand controlled companies (ALTECNIC, ALLVALVE) and nine branches. 

Caleffi is member of the European Association CEIR (Taps and Valves Industry) and the Italian Association AVR (Valvole e Rubinetti).

Displaying products 1 - 7 of 7 results
Caleffi 573 1/2" AutoFill™ Combo w/ Backflow Preventer (Sweat x NPT)
Price: $104.79
Caleffi 573 1/2" AutoFill™ Combo w/ Backflow Preventer (Sweat x NPT)
½" sweat inlet x ½" F NPT outlet
Caleffi 573 1/2" AutoFill™ Combo w/ Backflow Preventer (NPT x NPT)
Price: $117.45
Caleffi 573 1/2" AutoFill™ Combo w/ Backflow Preventer (NPT x NPT)
½" F NPT inlet x ½" F NPT outlet
Caleffi 573 1/2" AutoFill™ Combo w/ Backflow Preventer (Press x NPT)
Price: $128.64
Caleffi 573 1/2" AutoFill™ Combo w/ Backflow Preventer (Press x NPT)
½" press inlet x ½" F NPT outlet
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