Hydronics
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Caleffi Z-One 120V Normally Closed Valve Actuators
Caleffi Z-One 120V Normally Closed Valve Actuators Learn More$48.57 -
Caleffi Series 546 Dirtcal Dirt Separaters Brass Sweat
Dirt Separator. Brass Body. 1/2" NPT Top Thread With Plug For Optional Air Vent, Code 502243A Max. Working Pressure: 150 PSI. Working Temperature Range: 32-250F. Particle Separation Capacity: To 0.2 mil Learn More$87.21
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Caleffi Series 612 1" FNPT by 1 1/4" Male Union Thread Bushing
Caleffi 1" FNPT by 1 1/4" Male Union Thread Bushing Learn More$11.93 -
Caleffi Series 553 Automatic Filling Units 1/2"Union NPT Male Inlet with 1/2" NPT Female Outlet
Caleffi Series 553 Automatic Filling Units Learn More$50.39
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Caleffi Series 521 MixCal 3-Way Thermostatic Mixing Valve with adapter
Caleffi MixCal 3-Way Thermostatic Mixing Valve Learn More$119.71 -
Caleffi Series 680 Universal PEX Fittings ASTM F876 Standard
Caleffi Series 680 Universal PEX Fittings Learn More$4.92
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Caleffi Discal Series 551 Air Separators Brass Sweat
Air separator. Brass body. Glass reinforced nylon internal element. ½" NPT female bottom thread. Max. working pressure: 150 psi. Working temperature range: 32—250°F. Learn More$91.57 -
Caleffi Series 6563 Twistop Thermoelectric Actuator 24VAC Manual Twist Open
Twistop Thermoelectric Actuator 24VAC Manual Twist Open w/green open indicator, Includes 36" Leads and Built-in End Switch Learn More$60.02
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Caleffi Universal Flow Switch
Universal Flow Switch for heating systems. 1" NPTM, Brass body, Suitable for 1" to 8" pipe. UL listed. Learn More$121.97 -
Caleffi Pressure/Temperature Gage for Boilers with 3 1/8" Dial size
Caleffi Pressure/Temperature Gage for Boilers with 3 1/8" Dial size Learn More$16.73