![Amazon.com: Caleffi 1" Male NPT ThermoMix Thermostatic Mixing Valve (130F) : Industrial & Scientific Amazon.com: Caleffi 1" Male NPT ThermoMix Thermostatic Mixing Valve (130F) : Industrial & Scientific](https://m.media-amazon.com/images/I/41YKo9dOXeL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Caleffi 1" Male NPT ThermoMix Thermostatic Mixing Valve (130F) : Industrial & Scientific
![Amazon.com: Caleffi SEP4 1-1/4" Sweat Union 4-in-1 Air, Dirt, Hydro & Magnet Hydraulic Separator : Industrial & Scientific Amazon.com: Caleffi SEP4 1-1/4" Sweat Union 4-in-1 Air, Dirt, Hydro & Magnet Hydraulic Separator : Industrial & Scientific](https://m.media-amazon.com/images/I/31OMVjmFXGL.jpg)
Amazon.com: Caleffi SEP4 1-1/4" Sweat Union 4-in-1 Air, Dirt, Hydro & Magnet Hydraulic Separator : Industrial & Scientific
![Caleffi 535351HA 535H Series Reducing Valve ASSE 1003, Female 3/4" NPT with Pressure Gauge - - Amazon.com Caleffi 535351HA 535H Series Reducing Valve ASSE 1003, Female 3/4" NPT with Pressure Gauge - - Amazon.com](https://m.media-amazon.com/images/I/51Gb6pc7qeL.jpg)
Caleffi 535351HA 535H Series Reducing Valve ASSE 1003, Female 3/4" NPT with Pressure Gauge - - Amazon.com
![Amazon.com: Caleffi 132552A Quick Setter Balancing Valve with Flow Meter, 3/4-Inch NPT, 2-7 GPM : Industrial & Scientific Amazon.com: Caleffi 132552A Quick Setter Balancing Valve with Flow Meter, 3/4-Inch NPT, 2-7 GPM : Industrial & Scientific](https://m.media-amazon.com/images/I/31ppvibZZ3L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Caleffi 132552A Quick Setter Balancing Valve with Flow Meter, 3/4-Inch NPT, 2-7 GPM : Industrial & Scientific
![Caleffi 538402 FD Replacement Boiler Drain Valve, 1/2-Inch 3/4-Inch Garden Hose Thread - Plumbing Hoses - Amazon.com Caleffi 538402 FD Replacement Boiler Drain Valve, 1/2-Inch 3/4-Inch Garden Hose Thread - Plumbing Hoses - Amazon.com](https://m.media-amazon.com/images/I/412r2Gj0uQL._AC_UF894,1000_QL80_.jpg)
Caleffi 538402 FD Replacement Boiler Drain Valve, 1/2-Inch 3/4-Inch Garden Hose Thread - Plumbing Hoses - Amazon.com
![Caleffi 250041A Solar Systems Automatic Air Vent, 1/2-Inch NPT Connection - Air Tool Fittings - Amazon.com Caleffi 250041A Solar Systems Automatic Air Vent, 1/2-Inch NPT Connection - Air Tool Fittings - Amazon.com](https://m.media-amazon.com/images/I/41n0+9jZYxL.jpg)
Caleffi 250041A Solar Systems Automatic Air Vent, 1/2-Inch NPT Connection - Air Tool Fittings - Amazon.com
![1/2" Male NPT MIXCAL 3-Way Adjustable Thermostatic Mixing Valve w/Temp Gauge: Amazon.com: Industrial & Scientific 1/2" Male NPT MIXCAL 3-Way Adjustable Thermostatic Mixing Valve w/Temp Gauge: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/41ZpM7vzJvL._AC_UF894,1000_QL80_.jpg)
1/2" Male NPT MIXCAL 3-Way Adjustable Thermostatic Mixing Valve w/Temp Gauge: Amazon.com: Industrial & Scientific
![Amazon.com: Caleffi 1-1/2" NPT Female DISCAL Air Separator with 1/2" Check Valve : Industrial & Scientific Amazon.com: Caleffi 1-1/2" NPT Female DISCAL Air Separator with 1/2" Check Valve : Industrial & Scientific](https://m.media-amazon.com/images/I/41mHHd6FbIL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Caleffi 1-1/2" NPT Female DISCAL Air Separator with 1/2" Check Valve : Industrial & Scientific
![1/2" BSP European Thread Caleffi 3230 Ballstop Ball Valve with Integrated Check Non-return Valve - Flush Valves - Amazon.com 1/2" BSP European Thread Caleffi 3230 Ballstop Ball Valve with Integrated Check Non-return Valve - Flush Valves - Amazon.com](https://m.media-amazon.com/images/I/51+lI5jsXnL._AC_UF894,1000_QL80_.jpg)
1/2" BSP European Thread Caleffi 3230 Ballstop Ball Valve with Integrated Check Non-return Valve - Flush Valves - Amazon.com
![Caleffi 553542A AutoFill Automatic Boiler Fill Valve, Pressure Indicator, 1/2-Inch MNPT Inlet by 1/2-Inch - Pipe Fittings - Amazon.com Caleffi 553542A AutoFill Automatic Boiler Fill Valve, Pressure Indicator, 1/2-Inch MNPT Inlet by 1/2-Inch - Pipe Fittings - Amazon.com](https://m.media-amazon.com/images/I/61teVHTmWNL.jpg)
Caleffi 553542A AutoFill Automatic Boiler Fill Valve, Pressure Indicator, 1/2-Inch MNPT Inlet by 1/2-Inch - Pipe Fittings - Amazon.com
![Amazon.com: Caleffi 1" NPT Variable Orifice Low Lead Manual Balancing Valve (7.5 Cv) : Industrial & Scientific Amazon.com: Caleffi 1" NPT Variable Orifice Low Lead Manual Balancing Valve (7.5 Cv) : Industrial & Scientific](https://m.media-amazon.com/images/I/41AYq6knisL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Caleffi 1" NPT Variable Orifice Low Lead Manual Balancing Valve (7.5 Cv) : Industrial & Scientific
![Amazon.com: Caleffi 573016A Automatic Filling Valve with Backflow Preventer, 1/2" Press : Industrial & Scientific Amazon.com: Caleffi 573016A Automatic Filling Valve with Backflow Preventer, 1/2" Press : Industrial & Scientific](https://m.media-amazon.com/images/I/418DlJNae6L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Caleffi 573016A Automatic Filling Valve with Backflow Preventer, 1/2" Press : Industrial & Scientific
![Amazon.com: Caleffi Z46 1-Inch 24-Volt NPT Normally Closed Zone 2-Way Valve : Industrial & Scientific Amazon.com: Caleffi Z46 1-Inch 24-Volt NPT Normally Closed Zone 2-Way Valve : Industrial & Scientific](https://m.media-amazon.com/images/I/61E91AeJYiL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Caleffi Z46 1-Inch 24-Volt NPT Normally Closed Zone 2-Way Valve : Industrial & Scientific
![Amazon.com: Caleffi 573009A 1/2-Inch AutoFill and Back Flow Preventer Combination, Sweat : Industrial & Scientific Amazon.com: Caleffi 573009A 1/2-Inch AutoFill and Back Flow Preventer Combination, Sweat : Industrial & Scientific](https://m.media-amazon.com/images/I/41sV4H0hiAL._AC_UF894,1000_QL80_.jpg)