Caleffi Zoning & Circulation
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Caleffi Z-One 3-Way Diverting Sweat Low-Lead Brass Valve Body, 3/4" Connections, 20 PSI, 7.5 Cv
Caleffi 115 F Replacement Thermostatic Sensor Cartridge, used with 280 Series Protection Valves
Caleffi 130 F Replacement Thermostatic Sensor Cartridge, used with 280 Series Protection Valves
Caleffi 140 F Replacement Thermostatic Sensor Cartridge, used with 280 Series Protection Valves
Caleffi AutoFill Boiler Valves Replacement Cartridge
Caleffi Replacement Air Vent Cap for 5026 & 5027 Series
Caleffi Replacement Air Vent Cap for model 502043 CST Manifold Air Vent, designed for Pressure Testing
Caleffi Replacement Cap & Float Assembly for Discal Brass 551 Series Separators
Caleffi Replacement Manifold Temperature Gauge, 2" Diameter, 210 F Max
Caleffi Replacement Motorized Actuator, 3-wire control, 24V, used for 6442 & 6443 Series Valves
Caleffi 1" Sweat Adapter x 1-1/4" Union Thread Connection Sweat Adapter Fitting
Caleffi AutoFill Pressure Setting Indicator Disc Cover, Clear Plastic
Caleffi 3/4" Male with O-ring x 1" Male Thread Connection Nipple Fitting
Caleffi 1" Male x 1-1/4" Male Nipple Connection Nipple Fitting
Caleffi 2" Union Washer for model 548009A & 548099A
Caleffi 1-1/4" Union Nut for model 548007A & 548097A
Displaying Products 361 - 377 (of 377)
Caleffi, one of the leaders in hydronics, makes a wide variety of zoning and circulation materials. Browse below to find the right Caleffi zoning and circulation materials for you or call our experts for personalized advice.