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Caleffi 3-Zone Control Relay - ZSR103 Caleffi Zone Control Relay. ZSR103

Caleffi Z-one 3-zone pump and boiler operating control for multiple zone hydronic heating systems.

Our Price: $151.11
Heat-Timer SPC Control, 929150-UA Heat-Timer Digi-Span SPC Elite Series

  • Heat-Timer SPC
  • Single Point - Single Output
  • 110 Volt Input
  • Sensors Sold Separately
  • SPC Brochure

Our Price: $135.00
Heat-Timer TSC Control, 929155-UA 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: $145.00
Heat-Timer MCA Control, 929160-UA Heat-Timer Digi-Span MCA Elite 929160-UA

  • MCA-Elite: Modulates 4-20mA*, 0-5V, 0-10V, 1-5V and 2-10V Actuators
  • Sensors Sold Separately
  • Download Cutsheet
    * Need a power supply for 4-20 MA

Our Price: $295.00
Heat-Timer MCP Control, 929165-UA Heat-Timer Digi-Span MCP Elite Series Modulating Set Point Control

Our Price: $295.00
SIEMENS CONTROL VALVES Siemens Motorized Ball Valve 173A-10300

SIEMENS 173A-10300 CONTROL VALVE

Our Price: $129.10
Caleffi 4-Zone Control Relay - ZSR104 Caleffi Zone Control Relay. ZSR104

Caleffi Z-one 4-zone pump and boiler operating control for multiple zone hydronic heating systems.

Our Price: $175.55
Heat-Timer MCF Control, 929190-UA Heat-Timer Digi-Span MCF Elite Series Modulating Set Point Control

Our Price: $295.00
SIEMENS CONTROL VALVES Siemens Motorized Ball Valve 173A-10301

SIEMENS 173A-10301 CONTROL VALVE

Our Price: $129.10
SIEMENS CONTROL VALVES Siemens Motorized Ball Valve 173A-10302

SIEMENS 173A-10302 CONTROL VALVE

Our Price: $130.28
SIEMENS CONTROL VALVES Siemens Motorized Ball Valve 173A-10303

SIEMENS 173A-10303 CONTROL VALVE

Our Price: $130.28
SIEMENS CONTROL VALVES Siemens Motorized Ball Valve 173A-10304

SIEMENS 173A-10304 CONTROL VALVE

Our Price: $131.64
SIEMENS CONTROL VALVES Siemens Motorized Ball Valve 173A-10305

SIEMENS 173A-10305 CONTROL VALVE

Our Price: $132.94
SIEMENS CONTROL VALVES Siemens Motorized Ball Valve 173A-10306

SIEMENS 173A-10306 CONTROL VALVE

Our Price: $134.19
SIEMENS CONTROL VALVES Siemens Motorized Ball Valve 173A-10307

SIEMENS 173A-10307 CONTROL VALVE

Our Price: $135.45
SIEMENS CONTROL VALVES Siemens Motorized Ball Valve 173A-10311

SIEMENS 173A-10311 CONTROL VALVE

Our Price: $154.56
Caleffi 6-Zone Control Relay - ZSR106 Caleffi Zone Control Relay. ZSR106

Caleffi Z-one 6-zone pump and boiler operating control for multiple zone hydronic heating systems.

Our Price: $212.22
SIEMENS CONTROL VALVES Siemens Motorized Ball Valve 173C-10300

SIEMENS MOTORIZED CONTROL VALVE

Our Price: $171.03
Caleffi 3-Zone Valve Relay - ZVR103 Caleffi Zone Control Relay. ZVR103

Caleffi Z-one 3-zone valve relay and boiler operating control for multiple zone hydronic heating systems.

Our Price: $117.77
SIEMENS CONTROL VALVES Siemens Motorized Ball Valve 173C-10301

SIEMENS MOTORIZED CONTROL VALVE

Our Price: $171.03
SIEMENS CONTROL VALVES Siemens Motorized Ball Valve 173C-10302

SIEMENS MOTORIZED CONTROL VALVE

Our Price: $171.88
SIEMENS CONTROL VALVES Siemens Motorized Ball Valve 173C-10303

SIEMENS MOTORIZED CONTROL VALVE

Our Price: $171.88
SIEMENS CONTROL VALVES Siemens Motorized Ball Valve 173C-10304

SIEMENS MOTORIZED CONTROL VALVE

Our Price: $174.41
SIEMENS CONTROL VALVES Siemens Motorized Ball Valve 173C-10305

SIEMENS MOTORIZED CONTROL VALVE

Our Price: $176.13
SIEMENS CONTROL VALVES Siemens Motorized Ball Valve 173C-10306

SIEMENS MOTORIZED CONTROL VALVE

Our Price: $178.65
SIEMENS CONTROL VALVES Siemens Motorized Ball Valve 173C-10307

SIEMENS MOTORIZED CONTROL VALVE

Our Price: $179.50
Caleffi 4-Zone Valve Relay - ZVR104 Caleffi Zone Control Relay. ZVR104

Caleffi Z-one 4-zone valve relay and boiler operating control for multiple zone hydronic heating systems.

Our Price: $138.88
SIEMENS CONTROL VALVES 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: $159.55
SIEMENS CONTROL VALVES 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: $159.55
Caleffi Zone Control Expansion Transformer NA10343 Caleffi Zone Control Expansion Transformer - NA10343

Caleffi expansion transformer for the ZVR Series multi-zone valve relay and boiler operating controls.

Our Price: $47.77
   
 
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