Get a Quote ×Close Menu Popular Brands Caleffi Hydronics Zone Control Relays Zone Valve Repair Kit Zone Valves & Controls 548 Hydro Separator 5495 Sep-4 Air, Dirt, Separators 559 HydroLink Air Separators Air Vents AutoFill Valves Balancing Valves Balancing Valves, Cast Iron Balancing Valves, Low Lead Balancing Valves With Thermometers, Low-Lead Check Valves Dirt Separators Drain Valves Flow Switch Pressure Bypass Valves Badger Meters Badger Inline Flow Meters. Brass & Composite Power Flame Tjernlund RADON MITIGATION FANS & ALARMS Unilux Siemens Control Valves Combustion Controls Testo Combustion Analyzers Data Loggers UltraSonic Flow Meters Dynasonics TFX Ultra Transit Time Flow Meters Dynasonics TFXL Transit Time Flow Meters Dynasonics DXN Portable Ultrasonic Flow Meter Dynasonics Doppler Ultrasonic Flow Meters Plumbing AutoFill Valves Badger Water Meters. Lead Free Low Lead Pressure Reducing Valves Low Lead Thermostatic Mixing Valves Balance Valves, Low-Lead Balance Valves With Thermometers, Low-Lead Heating Caleffi Cast Iron Balance Valves Caleffi Air Vents Caleffi Flow Switch Caleffi Zone Valves Zone Valve Repair Kit Z2 2-Way Z3 3-WAY Z4 Z-One 2-Way Z5 Z-One 2-Way Z-One 2-Way Press Zone Control Relays Siemens Combustion Controls Combustion Controls Combustion Controls Control Valves Combustion Controls RBI FUTERA XLF REPAIR PARTS CONTROLS Heat-Timer Digi-Span SQ-Elite Series Mini-MOD PLL ESV Sensors & Accessories BARGAIN FINDS Heat-Timer Temperature Controls Digi-Span SQ-Elite Series Mini-MOD PLL ESV Sensors & Accessories Motors WEG Motors Steam Accessories Steam Traps Y-Strainers Valves Control Valves Zone Valves T&P Valves Pressure Relief Valves Ball Valves Gate Valves Hot & Chilled Water System Accessories Pipe Fittings Stainless Steel Air & Dirt Separators CONTROLS Zone Controls Get a Quote FAQ My Account Email Us 702-485-1533 FAQ My Account Email Us 702-485-1533 Get a Quote A-ZParts.com Search Cart Item(s) Show Menu Popular Brands Caleffi Hydronics Zone Control Relays Zone Valve Repair Kit Zone Valves & Controls 548 Hydro Separator 5495 Sep-4 Air, Dirt, Separators 559 HydroLink Air Separators Air Vents AutoFill Valves Balancing Valves Balancing Valves, Cast Iron Balancing Valves, Low Lead Balancing Valves With Thermometers, Low-Lead Check Valves Dirt Separators Drain Valves Flow Switch Pressure Bypass Valves Badger Meters Badger Inline Flow Meters. Brass & Composite Power Flame Tjernlund RADON MITIGATION FANS & ALARMS Unilux Siemens Control Valves Combustion Controls Testo Combustion Analyzers Data Loggers UltraSonic Flow Meters Dynasonics TFX Ultra Transit Time Flow Meters Dynasonics TFXL Transit Time Flow Meters Dynasonics DXN Portable Ultrasonic Flow Meter Dynasonics Doppler Ultrasonic Flow Meters Plumbing AutoFill Valves Badger Water Meters. Lead Free Low Lead Pressure Reducing Valves Low Lead Thermostatic Mixing Valves Balance Valves, Low-Lead Balance Valves With Thermometers, Low-Lead Heating Caleffi Cast Iron Balance Valves Caleffi Air Vents Caleffi Flow Switch Caleffi Zone Valves Zone Valve Repair Kit Z2 2-Way Z3 3-WAY Z4 Z-One 2-Way Z5 Z-One 2-Way Z-One 2-Way Press Zone Control Relays Siemens Combustion Controls Combustion Controls Combustion Controls Control Valves Combustion Controls RBI FUTERA XLF REPAIR PARTS CONTROLS Heat-Timer Digi-Span SQ-Elite Series Mini-MOD PLL ESV Sensors & Accessories BARGAIN FINDS Heat-Timer Temperature Controls Digi-Span SQ-Elite Series Mini-MOD PLL ESV Sensors & Accessories Motors WEG Motors Steam Accessories Steam Traps Y-Strainers Valves Control Valves Zone Valves T&P Valves Pressure Relief Valves Ball Valves Gate Valves Hot & Chilled Water System Accessories Pipe Fittings Stainless Steel Air & Dirt Separators CONTROLS Zone Controls Get a Quote Home > Heating > Siemens Choose a sub category: Combustion Controls Combustion Controls Combustion Controls Control Valves Combustion Controls Sort By: Price: Low to High Price: High to Low Most Popular Title Manufacturer Newest Oldest Availability 30 per page 60 per page 120 per page 180 per page 300 per page Page of 7 Siemens Motorized Ball Valve 173A-10300 SIEMENS 1/2", 2-WAY, BALL VALVE, CHROME BRASS TRIM, 24 VAC, FLOATING CONTROL, 0.5" 2W 0.4CV BALL VLV+GDE131.1Q+ADPTR Our Price: $88.80 Siemens Motorized Ball Valve 171C-10300 SIEMENS 1/2", 2-WAY, BALL VALVE, CHROME BRASS TRIM, 24 VAC, 0-10 VDC MODULATING, 05" 2W 0.4 CV BALL VLV+GDE161.1P Our Price: $85.76 Siemens Motorized Ball Valve 173C-10300 SIEMENS 1/2", 2-WAY, BALL VALVE, CHROME BRASS TRIM, 24 VAC, 0-10 VDC MODULATING, 0.5" 2W 0.4CV BALL VLV+GDE161.1Q+ADPTR Our Price: $115.37 Siemens Motorized Ball Valve 171H-10300 SIEMENS 1/2", 2-WAY, BALL VALVE, CHROME BRASS TRIM, 24 VAC,ON/OFF, N/O, 0.5" 2W 0.4CV BALL VLV+GQD121.1P-NO Our Price: $113.25 Siemens Motorized Ball Valve 172H-10300 SIEMENS 1/2", 2-WAY, BALL VALVE, CHROME BRASS TRIM, 24 VAC,ON/OFF CONTROL, N/C, 0.5" 2W 0.4CV BALL VLV+GQD121.1P NC 24 VAC, 20LB-IN Our Price: $113.25 Siemens Motorized Ball Valve 171J-10300 SIEMENS 1/2", 2-WAY, BALL VALVE, CHROME BRASS TRIM, 24 VAC, FLOATING CONTROL, 0.5" 2W 0.4CV BALL VLV+GQD131.1P-NO, 24 VAC, 20LB-IN Our Price: $127.64 Siemens Motorized Ball Valve 172J-10300 SIEMENS 1/2", 2-WAY, BALL VALVE, CHROME BRASS TRIM, 24 VAC, FLOATING CONTROL, 0.5" 2W 0.4CV BALL VLV+GQD121.1P-NC 20 LB-IN Our Price: $127.64 Siemens Motorized Ball Valve 172K-10300 SIEMENS 1/2", 2-WAY, BALL VALVE, CHROME BRASS TRIM, 24 VAC,2-10-VDC MODULATING, 0.5" 2W 0.4CV BALL VLV+GQD151.1P NC, 20 LB-IN Our Price: $136.04 Siemens Motorized Ball Valve 171K-10300 SIEMENS 1/2", 2-WAY, BALL VALVE, CHROME BRASS TRIM, 24 VAC,2-10-VDC MODULATING, 0.5" 2W 0.4CV BALL VLV+GQD151.1P-NO, 20 LB-IN Our Price: $136.04 Siemens Motorized Ball Valve 173A-10308 SIEMENS ¾", 2-WAY BALL VALVE, 24 VAC, FLOATING CONTROL, 0.75" 2W 6.3CV BALL VLV+GDE131.1Q+ADPTR Our Price: $105.34 Siemens Motorized Ball Valve 171C-10308 SIEMENS ¾", 2-WAY BALL VALVE, CHROME BRASS TRIM, 24 VAC, 0-10 VDC MODULATING CONTROL, 0.75" 2W 6.3CV BALL VLV+GDE161.1P Our Price: $98.53 Siemens Motorized Ball Valve 173C-10308 SIEMENS ¾", 2-WAY BALL VALVE, CHROME BRASS TRIM, 24 VAC, 0-10 VDC MODULATING CONTROL, 0.75" 2W 6.3CV BALL VLV+GDE161.1Q+ADPTR Our Price: $125.00 Siemens Motorized Ball Valve 172H-10308 SIEMENS ¾", 2-WAY BALL VALVE, 24 VAC, ON/OFF, N/C, 0.75" 2W 6.3CV BALL VLV+GQD121.1P NC Our Price: $129.15 Siemens Motorized Ball Valve 171H-10308 SIEMENS ¾", 2-WAY, BALL VALVE, CHROME BRASS TRIM, 24 VAC, ON/OFF CONTROL, N/O, 0.75" 2W 6.3CV BALL VLV+GQD121.1P Our Price: $129.15 Siemens Motorized Ball Valve 172J-10308 SIEMENS ¾", 2-WAY BALL VALVE, CHROME BRASS TRIM, 24 VAC, FLOATING CONTROL, 0.75" 2W, 6.3CV, BALL VLV+GQD131.1P N/C, 20 LB/IN Our Price: $143.54 Siemens Motorized Ball Valve 171J-10308 SIEMENS ¾", 2-WAY BALL VALVE, CHROME BRASS TRIM, 24 VAC, FLOATING CONTROL, 0.75" 2W 6.3CV BALL VLV+GQD131.1P-NO, 24 VAC, 20 LB/IN Our Price: $143.54 Siemens Motorized Ball Valve 172K-10308 SIEMENS ¾", 2-WAY BALL VALVE, CHROME BRASS TRIM, 24 VAC, 2-10 VAC MODULATING CONTROL, 0.75" 2W 6.3CV BALL VLV+GQD151.1P-NC, 20 LB/IN Our Price: $153.12 Siemens Motorized Ball Valve 171K-10308 SIEMENS ¾", 2-WAY BALL VALVE, CHROME BRASS TRIM, 24 VAC, 2-10 VAC MODULATING CONTROL, 0.75" 2W 6.3CV BALL VLV+GQD151.1P-NO, 20 LB/IN Our Price: $153.12 Siemens Motorized Ball Valve 171A-10312 SIEMENS .1", 2-WAY, 10-CV, MOTORIZED BALL VALVE, WITH GDE131.1P, ACTUATOR, NON SPRING RETURN, WATER GLYCOL, CLOSE OFF PSI 200, 600 WOG, 24 VAC, CONTROL INPUT, FLOATING. Our Price: $88.40 Siemens Motorized Ball Valve 173A-10312 SIEMENS .1", 2-WAY, 10-CV, MOTORIZED BALL VALVE, WITH GDE131.1Q, ACTUATOR & CONDUIT ADAPTER & 6' WIRES, NON SPRING RETURN, WATER GLYCOL, CLOSE OFF PSI 200, 600 WOG, 24 VAC, CONTROL INPUT, FLOATING. Our Price: $115.78 Siemens Motorized Ball Valve 171C-10312 SIEMENS .1", 2-WAY, 10-CV, MOTORIZED BALL VALVE, WITH GDE161.1P, ACTUATOR, 3' WIRES, NON SPRING RETURN, WATER GLYCOL, CLOSE OFF PSI 200, 600 WOG, 24 VAC, CONTROL INPUT, 0-10 VDC. Our Price: $110.25 Siemens Magnetic Modulating Control Valve MXG461.50-30U SIEMENS MAG VLV, 2", CV 35.1, HOT OR CHILLED WATER, 2-WAY- 3-WAY MIXING, STAINLESS TRIM, 125 PSI, 24 VAC POWERED, 0/2-10 VDC, 0/4-20 MA INPUTCLICK HERE FOR INFO ON U SERIES VALVE Our Price: $754.66 Siemens Motorized Ball Valve 173C-10312 SIEMENS .1", 2-WAY, 10-CV, MOTORIZED BALL VALVE, WITH GDE161.1Q, ACTUATOR, 6' WIRES & CONDUIT ADAPTER, NON SPRING RETURN, WATER GLYCOL, CLOSE OFF PSI 200, 600 WOG, 24 VAC, CONTROL INPUT, 0-10 VDC. Our Price: $136.67 Siemens Motorized Ball Valve 172E-10312 SIEMENS .1", 2-WAY, 10-CV, MOTORIZED BALL VALVE, WITH GMA121.1P, ACTUATOR, WATER GLYCOL, CLOSE OFF PSI 200, 600 WOG, 24 VAC CONTROL INPUT, ON/OFF, NORMALLY CLOSED, SPRING RETURN Our Price: $147.08 Siemens Motorized Ball Valve 171E-10312 SIEMENS .1", 2-WAY, 10-CV, MOTORIZED BALL VALVE, WITH GMA121.1P, ACTUATOR, WATER GLYCOL, CLOSE OFF PSI 200, 600 WOG, 24 VAC, CONTROL INPUT, ON/OFF, NORMALLY OPEN, SPRING RETURN Our Price: $141.93 Siemens Motorized Ball Valve 172F-10312 SIEMENS .1", 2-WAY, 10-CV, MOTORIZED BALL VALVE, WITH GMA131.1P, ACTUATOR, WATER GLYCOL, CLOSE OFF PSI 200, 600 WOG, 24 VAC,CONTROL OUTPUT, FLOATING, NORMALLY CLOSED, SPRING RETURN Our Price: $177.83 Siemens Motorized Ball Valve 171F-10312 SIEMENS .1", 2-WAY, 10-CV, MOTORIZED BALL VALVE, WITH GMA131.1P, ACTUATOR, WATER GLYCOL, CLOSE OFF PSI 200, 600 WOG, 24 VAC,CONTROL OUTPUT, FLOATING, NORMALLY OPEN, SPRING RETURN Our Price: $174.24 Siemens Motorized Ball Valve 172G-10312 SIEMENS .1", 2-WAY, 10-CV, MOTORIZED BALL VALVE, WITH GMA161.1P, ACTUATOR, WATER GLYCOL, CLOSE OFF PSI 200, 600 WOG, 24 VAC, CONTROL OUTPUT, 0-10 VDC, NORMALLY CLOSED, SPRING RETURN. Our Price: $182.10 Siemens Motorized Ball Valve 171A-10313 SIEMENS .1", 2-WAY, 16-CV, MOTORIZED BALL VALVE, WITH GDE131.1P, ACTUATOR, 3' WIRES WATER GLYCOL, CLOSE OFF PSI 200, 600 WOG, 24 VAC, CONTROL OUTPUT, FLOATING, NON-SPRING RETURN Our Price: $88.39 Siemens Motorized Ball Valve 173A-10313 SIEMENS .1", 2-WAY, 16-CV, MOTORIZED BALL VALVE, WITH GDE131.1Q, ACTUATOR, 6' WIRES & CONDUIT CONNECTOR, WATER GLYCOL, CLOSE OFF PSI 200, 600 WOG, 24 VAC CONTROL INPUT, FLOATING, NON-SPRING RETURN Our Price: $115.78
