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 Control Valves 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 Control Valves 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 > CONTROLS Choose a sub category: Heat-Timer 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 9 Caleffi Zone Control Relay. ZSR101 Caleffi Z-one Single zone switching relay operated by low voltagethermostats. Our Price: $65.00 Siemens Motorized Ball Valve 171A-10300 SIEMENS ½", 2-WAY, BALL VALVE, 24 VAC, FLOATING CONTROL, 05", 2W 0.4 CV, BALL VLV+GDE131.1P Our Price: $58.39 Siemens Magnetic Modulating Control Valves MXG46115-0.6U Siemens 1/2" FIP, 2 or 3 Way Mixing,CLICK HERE FOR ALL INFO ON U SERIES VALVE Our Price: $585.28 Caleffi Zone Control Relay. ZSR103 Caleffi Z-one 3-zone pump and boiler operating control for multiple zone hydronic heating systems. Our Price: $136.00 Heat-Timer Digi-Span SPC Elite Series Heat-Timer SPCSingle Point - Single Output110 Volt InputSensors Sold Separately SPC Brochure Our Price: $120.00 Heat-Timer Digi-Span TSC Elite Series Two Stage Control TSC - TWO - STAGE ON/OFF (Optional Lead Lag & Lead Stage rotation)Also can be field configured for Change Over Operation.Sensors Sold Separately TSC Brochure Our Price: $134.00 Heat-Timer Digi-Span MCA Elite Series Modulating Set Point Controls MCA-Elite: Modulates 4-20mA, 0-5V, 0-10V, 1-5V and 2-10V ActuatorsSensors Sold Separately MC Series Brochure Our Price: $255.00 Heat-Timer Digi-Span MCP Elite Series Modulating Set Point Control MCP-Elite: Modulates 0-135 Ohm ActuatorsSensors Sold Separately MC Series Brochure Our Price: $255.00 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 Magnetic Modulating Control Valves MXG461.B15-0.6 Siemens 1/2" Red Brass FIP, 2 or 3 Way Mixing,CLICK HERE FOR INFO ON B SERIES VALVE Our Price: $1,040.85 Caleffi Zone Control Relay. ZSR104 Caleffi Z-one 4-zone pump and boiler operating control for multiple zone hydronic heating systems. Our Price: $158.00 Heat-Timer Digi-Span MCF Elite Series Modulating Set Point Control MCF-Elite: Modulates Floating ActuatorsSensors Sold Separately MC Series Brochure Our Price: $255.00 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 Magnetic Modulating Control Valve MVF461H15-0.6 Siemens 1/2", CV, 0.7, 2-way N/C, SteamCLICK HERE FOR INFO ON H SERIES VALVE Our Price: $1,057.28 Caleffi Zone Control Relay. ZSR106 Caleffi Z-one 6-zone pump and boiler operating control for multiple zone hydronic heating systems. Our Price: $191.00 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 Magnetic Modulating Control Valve MVF461H15-0.6-W Siemens 1/2", CV, 0.7, 2-way N/C, Steam with Weld FlangesCLICK HERE FOR INFO ON H SERIES VALVE Our Price: $1,216.78 Caleffi Zone Control Relay. ZVR103 Caleffi Z-one 3-zone valve relay and boiler operating control for multiple zone hydronic heating systems. Our Price: $106.00 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 Magnetic Modulating Control Valve MVF461H15-0.6-N Siemens 1/2", CV, 0.7, 2-way N/C, Steam with NPT FlangesCLICK HERE FOR INFO ON H SERIES VALVE Our Price: $1,216.78 Siemens Magnetic Modulating Control Valve MXG461.15-1.5U Siemens 1/2", CV, 1.8, 2-3 Way MIXING 0-10 VDCCLICK HERE FOR INFO ON U SERIES VALVE Our Price: $589.28 Caleffi Zone Control Relay. ZVR104 Caleffi Z-one 4-zone valve relay and boiler operating control for multiple zone hydronic heating systems. Our Price: $125.00 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 Magnetic Modulating Control Valve MXG461B15-1.5 Siemens 1/2", CV, 1.8, 2-3 Way MIXING, RED BRASSCLICK HERE FOR INFO ON B SERIES VALVE Our Price: $1,044.85 Caleffi Zone Control Relay. ZVR106 Caleffi Z-one 6-zone valve relay and boiler operating control for multiple zone hydronic heating systems. Our Price: $158.00 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 Magnetic Modulating Control Valve MVF461H15-1.5 Siemens 1/2", CV, 1.8, 2-way N/C, Steam CLICK HERE FOR INFO ON H SERIES VALVE Our Price: $1,057.28 Caleffi Zone Control Expansion Transformer - NA10343 Caleffi expansion transformer for the ZVR Series multi-zone valve relay and boiler operating controls. Our Price: $43.00 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
