Relays

Relays
A relay is just a switch. The purpose of any switch is to turn something on and off. A relay turns HVAC equipment on or off. It's that easy.

EZ-Flo

EZ-Flo 92115 General Purpose Fan Relay

$16.49

Features EZ-Flo 92115 General Purpose Fan Relay Type: SPST (90-290) Used for switching single or two speed fan motors, solenoids and general purpose switching Coils 50/60 HZ frequency 24 Volt Coil

Add to Cart

EZ-Flo

EZ-Flo 92116 2 Pole Switching Relay

$16.49

EZ-Flo 92116 2 Pole Switching Relay Features EZ-Flo 92116 2 Pole Switching Relay 24 Volt Coil (90-340) Semi enclosed 2 pole double throw Suited for fan controls, HVAC, heat pumps, appliances, vending machines and general purpose switching

Add to Cart

EZ-Flo

EZ-Flo 92117 2 Pole Switching Relay

$6.95

EZ-Flo 92117 2 Pole Switching Relay Features EZ-Flo 92117 2 Pole Switching Relay 115/120 Volt Coil (90-341) Semi enclosed 2 pole double throw Suited for fan controls, HVAC, heat pumps, appliances, vending machines and general purpose switching

Add to Cart

EZ-Flo

EZ-Flo 92118 2 Pole Switching Relay

$5.95

EZ-Flo 92118 2 Pole Switching Relay Features EZ-Flo 92118 2 Pole Switching Relay 208/240 Volt Coil (90-342) Semi enclosed 2 pole double throw Suited for fan controls, HVAC, heat pumps, appliances, vending machines and general purpose switching

Add to Cart

EZ-Flo

EZ-Flo 92119 General Purpose Fan Relay

$6.95

EZ-Flo 92119 General Purpose Fan Relay Features EZ-Flo 92119 General Purpose Fan Relay SPDT(90-370) Used for switching single or two speed fan motors, solenoids and general purpose switching Coils 50/60HZ frequency 24 Volt Coil

Add to Cart

EZ-Flo

EZ-Flo 92120 General Purpose Fan Relay

$6.95

EZ-Flo 92120 General Purpose Fan Relay Features EZ-Flo 92120 General Purpose Fan Relay SPNO/SPNC (90-380) Used for switching single or two speed fan motors, solenoids and general purpose switching Coils 50/60 HZ frequency 24 Volt Coil

Add to Cart

EZ-Flo

EZ-Flo 92121 Universal Potential Relay

$9.45

EZ-Flo 92121 Universal Potential Relay Features EZ-Flo 92121 Universal Potential Relay Universal Wire to wire replacement for virtually ALL potential relays Recycles instantly Accommodates screw on or push on connections Universal mounting bracket Start...

Add to Cart

EZ-Flo

EZ-Flo 92122 Time Delay On Make Relay

$9.45

EZ-Flo 92122 Time Delay On Make Relay Features EZ-Flo 92122 Time Delay On Make Relay Make adjustable 6 sec - 8 min Compact and easy to install Adjustable delay period non positional single hole mounting 1.0 amp steady 10 amp inrush can be used on 24...

Add to Cart

EZ-Flo

EZ-Flo 92123 Time Delay On Break Relay

$5.95

EZ-Flo 92123 Time Delay On Break Relay Features EZ-Flo 92123 Time Delay On Break Relay Break adjustable 6 sec - 5 min Compact and easy to install Adjustable delay period non positional single hole mounting 1.0 amp steady 10 amp inrush can be used on 24...

Add to Cart

Taco

Taco FuelMizer SR501-OR-4 Switching Relay with Outdoor Reset

$263.70 $155.95

  The SR501-OR is a microprocessor-based control designed to regulate the supply water temperature of a single boiler, based on the outdoor temperature. The SR501-OR is a boiler reset control and switching relay in one unit.     The...

Add to Cart

Taco

Taco PC700-2 Boiler Reset Control

$418.20 $246.95

  The Taco Boiler Reset Control is designed to improve performance in your hot water heating systems by regulating the supply water temperature of a single boiler based on the outdoor temperature. The control utilizes a heating curve to set the...

Add to Cart

Taco

Taco PC702-1 Two Stage Boiler Reset Control

$513.50 $302.95

 Taco's PC702 Two-Stage Reset Control is a microprocessor-based control designed to regulate the supply water temperature from a two-stage boiler system based on the outdoor temperature or domestic hot water requirements. The PC702 offers all the...

Add to Cart

Taco

Taco PC705-2 Variable Speed Pump Mixing Control

$555.20 $327.95

 With the Taco Variable Speed Pump Mixing Control you can regulate the supply water temperature to a heating system by simultaneously controlling a boiler and the speed of an injection pump. Based on the outdoor air temperature, the PC705...

Add to Cart

Taco

Taco SR024-001RP Replacement Relay - 24 Volt

$1,963.80 $1,388.95

 Taco SR024-001RP - 24 Volt Replacement Relay Taco SR024-001RP Replacement Relay 24 Volt Replacement Relay   CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals, including lead, which are known to the...

Add to Cart

Taco

Taco SR120-001RP Replacement Relay - 120 Volt

$1,905.40 $1,346.95

 Taco SR120-001RP Replacement Relay - 120 Volt Taco SR120-001RP Replacement Relay 120 Volt Replacement Relay   CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals, including lead, which are known to the...

Add to Cart

Taco

Taco SR501-4 Switching Relay - 1 Zone

$97.20 $57.95

  The single zone switching relay should be standard equipment for every installer. The single zone switching relay is UL and CSA listed, uses a standard “ice cube” replaceable relay and is compatible with conventional and programmable thermostats...

Add to Cart

Taco

Taco SR501-845RP Universal Replacement Relay

$88.70 $62.95

 Taco SR501-845RP is a Universal Replacement Relay that connects a thermostat to the "T T" terminals on the switching relay. This next generation Relay boasts unique and sturdy design ensures both reliability and functionality. When the thermostat...

Add to Cart

Taco

Taco SR501-EXP-1 Expandable Switching Relay - 1 Zone with Priority

$202.00 $75.00

  Save Big on Overstock of Older Style Switching RelaysEnergy savings and increased comfort can be easily achieved in any new or existing system by plugging a PC700 Outdoor Reset Power Control into the SR501-EXP. Taco Expandable Switching Relays...

Add to Cart

Taco

Taco SR501-EXP-4 Expandable Switching Relay - 1 Zone with Priority

$208.10 $122.95

 Energy savings and increased comfort can be easily achieved in any new or existing system by plugging a PC700 Outdoor Reset Power Control into the SR501-EXP. Taco Expandable Switching Relays Whether you want to expand up to 20 zones or utilize...

Add to Cart

Taco

Taco SR501-HC-4 Switching Relay High Capacity - 1 Zone

$145.80 $85.95

 Taco SR501-HC-4 Switching Relay High Capacity - 1 Zone Taco SR501-HC-4 Switching Relay High Capacity 1 or 2 Zones High Capacity Snap-in PC Board Simplified Wiring Fully Enclosed Snap-Out Relays External Indicator Lights Fuse Protected (with...

Add to Cart

Taco

Taco SR502-4 Switching Relay - 2 Zone

$220.50 $129.95

 The Taco Switching Relay is the best choice for all your zoning needs, with advanced timer and boiler functions, external diagnostic lights, switchable priority and contractor friendly PC board layouts. Combined with the time proven reliability of...

Add to Cart

Taco

Taco SR503-4 Switching Relay - 3 Zone

$234.90 $138.95

 The Taco Switching Relay is the best choice for all your zoning needs, with advanced timer and boiler functions, external diagnostic lights, switchable priority and contractor friendly PC board layouts. Combined with the time proven reliability of...

Add to Cart
Taco SR503-EXP-1 Expandable Switching Relay - 3 Zone with Priority
SALE

Taco

Taco SR503-EXP-1 Expandable Switching Relay - 3 Zone with Priority

$260.00 $120.00

  Save Big on Overstock of Older Style Switching RelaysThe Taco Switching Relay is the best choice for all your zoning needs, with advanced timer and boiler functions, external diagnostic lights, switchable priority and contractor friendly PC board...

Add to Cart

Taco

Taco SR503-EXP-4 Expandable Switching Relay - 3 Zone with Priority

$237.50 $139.95

 The Taco Switching Relay is the best choice for all your zoning needs, with advanced timer and boiler functions, external diagnostic lights, switchable priority and contractor friendly PC board layouts. Combined with the time proven reliability of...

Add to Cart
Taco SR504-2 Switching Relay - 4 Zone
SALE

Taco

Taco SR504-2 Switching Relay - 4 Zone

$274.50 $100.00

  Save Big on Overstock of Older Style Switching RelaysThe Taco Switching Relay is the best choice for all your zoning needs, with advanced timer and boiler functions, external diagnostic lights, switchable priority and contractor friendly PC board...

Add to Cart

Taco

Taco SR504-4 Switching Relay - 4 Zone

$282.80 $166.95

 The Taco Switching Relay is the best choice for all your zoning needs, with advanced timer and boiler functions, external diagnostic lights, switchable priority and contractor friendly PC board layouts. Combined with the time proven reliability of...

Add to Cart

Taco

Taco SR504-EXP-4 Expandable Switching Relay - 4 Zone

$304.40 $179.95

 The Taco Switching Relay is the best choice for all your zoning needs, with advanced timer and boiler functions, external diagnostic lights, switchable priority and contractor friendly PC board layouts. Combined with the time proven reliability of...

Add to Cart

Taco

Taco SR506-2 Switching Relay - 6 Zone with Priority

$374.00 $175.00

  Save Big on Overstock of Older Style Switching RelaysThe Taco Switching Relay is the best choice for all your zoning needs, with advanced timer and boiler functions, external diagnostic lights, switchable priority and contractor friendly PC board...

Add to Cart

Taco

Taco SR506-4 Switching Relay - 6 Zone with Priority

$351.80 $207.95

  The Taco Switching Relay is the best choice for all your zoning needs, with advanced timer and boiler functions, external diagnostic lights, switchable priority and contractor friendly PC board layouts. Combined with the time proven reliability...

Add to Cart

Taco

Taco SR506-EXP-4 Expandable Switching Relay - 6 Zone

$373.90 $220.95

 The Taco Switching Relay is the best choice for all your zoning needs, with advanced timer and boiler functions, external diagnostic lights, switchable priority and contractor friendly PC board layouts. Combined with the time proven reliability of...

Add to Cart

Taco

Taco SR6A-001RP Replacement Fuses - 6 Amp Fuses - 10 Pack

$19.10 $17.95

  Taco SR6A-001RP Replacement Fuses 6 Amp Fuses 10 Pack     CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals, including lead, which are known to the State of California to cause cancer, birth defects and...

Add to Cart

Questions & Phone Orders

SDS Supply Corp.
13731 S. Route 30, Unit 105
Plainfield, IL 60544
Call us: (800) 236-9029

Shop with Confidence

Safe & Secure shopping online. Learn more

Payment Methods

Top