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![C&D Valve CD3604; CD3604/6 Service Valve (1/4in) [6 Count]](https://cdn11.bigcommerce.com/s-yclaj98z8x/images/stencil/590x590/products/11075/25905/uc_export_view&id_1i5N66lYCQR-Yb9ceVs7twt2NBmyKcgP3__17408.1718032967.jpg?c=1 "C&D Valve CD3604; CD3604/6 Service Valve (1/4in) [6 Count]")
![C&D Valve CD3604; CD3604/6 Service Valve (1/4in) [6 Count]](https://cdn11.bigcommerce.com/s-yclaj98z8x/images/stencil/590x590/products/11075/25906/uc_export_view&id_1cu8AS9WpXQLteLOcQrskd821I99egNF2__10968.1718032984.jpg?c=1 "C&D Valve CD3604; CD3604/6 Service Valve (1/4in) [6 Count]")
C&D Valve CD3604; CD3604/6 Service Valve (1/4in) [6 Count]
$22.90Product DetailsMaterialBrass, CopperSize1/4 inConnection TypeFlareColor/FinishGoldDescriptionC&D Valve number CD3604/61/4" Copper Tube Extensions with Male Flare Access FittingPackage of 6Brass Wrench Flare Cap and Valve Core 1/8" MPT Below... -
C&D Valve CD3900 Valve Core Remover Tool (1/4in)
$57.10Product DetailsSize1/4 inDescriptionCore Removal Tool (CRT) for use on 1/4" flare access fitting.CD3900C&D Valve -
Caleffi 501502A Air Vent (3/4in)
$215.44Product DetailsSize3/4 inConnection TypeFNPTMaterialBrassTemperature Range (F)-4 to 250 °FMountStraightMax Pressure (PSI)230 PSIDescriptionExtra high capacity float type automatic air vent designed for use on large pipes where large quantity of air is... -
Caleffi 502640 Air Vent (1/2in)
$19.60Product DetailsSize1/2 inMaterialBrassTemperature Range (F)240 °FMax Pressure (PSI)150 PSIDescriptionAutomatic radiator air vent valve is designed to remove any air trapped inside the heat emitters both during the filling of the system and in normal... -
Caleffi 521509A Mixing Valve (3/4in)
$139.85Product DetailsSize3/4 inLead FreeYesMaterialBrassTemperature Range85 to 150 °FMax Pressure200 PSIDescriptionCaleffi MixingCal 3-Way Thermostatic Mixing Valve, Low-Lead Brass 3/4" Sweat Connections, 3 Cv.The Caleffi MixingCal 3-Way Thermostatic Mixing... -
Caleffi 521519A Mixing Valve (3/4in)
$164.76Product DetailsSize3/4 inConnection TypeC x CMaterialBrassTemperature Range (F)85 to 150 °FMax Pressure (PSI)200 PSIDescriptionThe Caleffi MIXCAL three-way thermostatic mixing valve is used in systems producing domestic hot water or in hydronic and... -
Caleffi 521519AC Mixing Valve (3/4in)
$193.09Product DetailsSize3/4 inConnection TypeC x CMaterialBrassTemperature Range (F)85 to 150 °FMax Pressure (PSI)200 PSIDescriptionThe Caleffi MixCal three-way thermostatic mixing valve is used in systems producing domestic hot water or in hydronic and... -
Caleffi 521619AC Mixing Valve (1in)
$221.91Product DetailsSize1 inConnection TypeSweatLead FreeYesMaterialBrassTemperature Range85 to 150 °FMax Pressure200 PSIDescriptionThe Caleffi MixCal three-way thermostatic mixing valve is used in systems producing domestic hot water or in hydronic and... -
Caleffi 553542A Fill Valve (1/2in)
$85.80Product DetailsSize1/2 inConnection TypeMNPT x FNPTMaterialBrassTemperature Range (F)150 °FMax Pressure (PSI)230 PSIDescriptionThe function of the Caleffi 553542A is to automatically fill and regulate the pressure in a hydronic system to a pre-set value... -
Caleffi 573002A Fill Valve (1/2in)
$146.77Product DetailsSize1/2 inConnection TypeNPT x NPTMaterialBrassTemperature Range (F)150 °FMax Pressure (PSI)175 PSIDescriptionThe automatic filling unit is a device consisting of a pressure reducing valve with compensating seat, an inlet filter, a... -
Caleffi 573403A Backflow Preventer (1/2in)
$73.71Product DetailsSize1/2 inConnection TypeFNPT x FNPTMaterialBrassTemperature Range32 to 210 °FMax Pressure175 PSIDescription Dual check continuous pressure backflow preventer with atmospheric vent designed to protect drinking water systems from the... -
Caleffi Z55 Zone Valve (3/4in)
$130.50Product DetailsSize3/4 inConnection TypeSweatMaterialForged BrassVoltage24 vDescriptionThe Caleffi Z55 is a 24V NC 2-Way Zone Valve with a 3/4 Inch Sweat connection, designed for precise control in hydronic systems. This valve features a terminal block...