HVAC
Plumbing
Electric & Solar
Tools & Test Instruments
Switching Relays
Categories
Price
Type List
- 2 Pole Switching Relay
- 4 Zone Switching Relay
- 4 Zone Switching Relay w/ Priority
- 6 Zone Switching Relay
- 6 Zone Switching Relay w/ Priority
- Boiler Reset Control
- Boiler Reset Control 2-Stage
- Cast Iron Threaded Freedom Flange Set
- DIN Rail Brackets
- Electronics Protection Relays
- Enclosed Fan Relay
- Fan Relay
- Heavy-duty Enclosed Fan Relay
- Relay
- Replacement Fuse - 1 Amp (10 Pack)
- Replacement Fuse - 5 Amp (10 Pack)
- Replacement Fuse - 6 Amp (10 Pack)
- Switching Relay
- Variable Speed Pump Control
Brand List
Items 1 to 58 of 58 total
BRAND: Taco
ID: #TC200-2S9-0298
Available in 2-4 days
$26.05 USD
Replacement Fuse - 6 Amp (10 Pack)
SKU:
SR6A-001RP
Vendor:
Taco
Type:
Replacement Fuse - 6 Amp (10 Pack)
Availability:
In-Stock
$26.05 USD
BRAND: RK Electronics
ID: #DPM100-0012
Sold Out
DPM24DB DIGITAL MULTI-RANGE 3 PHASE VOLTAGE MONITOR WITH DISPLAY (200 TO 240VAC 1Ø & 200 TO 600VAC 3Ø) 24VDC SUPPLY SURFACE MOUNT SURFACE MOUNTING SPDT...
SKU:
DPM-24D-B
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
Out-Stock
Sold Out
BRAND: RK Electronics
ID: #DPM100-0011
$145.00 USD
DPM24AT RELAY PROTECTION RELAY DPM SERIES WITH VOLTAGE MONITOR DIGITAL MULTI-RANGE 200-240 VAC (SINGLE-PHASE 200-600 VAC (THREE-PHASE) 24 VAC SUPPLY VOLTAGE SURFACE MOUNT SINGLE-POLE DOUBLE-THROW...
SKU:
DPM-24A-T
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$145.00 USD
BRAND: RK Electronics
ID: #DPM100-0008
$145.00 USD
DPM240AT DIGITAL MULTI-RANGE 3 PHASE VOLTAGE MONITOR WITH DISPLAY (200 TO 240VAC 1Ø & 200 TO 600VAC 3Ø) 240VAC SUPPLY SURFACE MOUNT SURFACE MOUNTING SPDT...
SKU:
DPM-240A-T
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$145.00 USD
BRAND: RK Electronics
ID: #DPM100-0007
$245.00 USD
DPM240AMRTUB DIGITAL MULTI-RANGE 3 PHASE VOLTAGE MONITOR WITH DISPLAY (115 TO 277VAC 1Ø & 200 TO 600VAC 3Ø) 240VAC SUPPLY SURFACE MOUNT SURFACE SPDT CONTACTS...
SKU:
DPM-240A-MRTU-B
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$245.00 USD
BRAND: White-Rodgers
ID: #WR100-1S9-1126
$16.65 USD
WR/RBM type 184
Operates in any position
Compact, totally enclosed design
For heating and cooling applications and general switching
SKU:
90-380
Vendor:
White-Rodgers
Type:
Heavy-duty Enclosed Fan Relay
Availability:
In-Stock
$16.65 USD
RBM Type 91
24V
Switch action: DPDT
SKU:
90-340
Vendor:
White-Rodgers
Type:
Switching Relay
Availability:
In-Stock
$13.80 USD
BRAND: Taco
ID: #TC200-2S9-0322
Available in 2-4 days
$421.00 USD
Taco Switching Relays combine clearly labeled PC board layouts with advanced features that allow for total system customization. Whether using basic priority switching or the...
SKU:
SR506-EXP-4
Vendor:
Taco
Type:
6 Zone Switching Relay w/ Priority
Availability:
In-Stock
$421.00 USD
The Taco SR506-4 Switching Relay is the best choice for all your zoning needs, with advanced PowerPort Cards, external diagnostic lights, switchable priority and contractor...
SKU:
SR506-4
Vendor:
Taco
Type:
6 Zone Switching Relay
Availability:
Out-Stock
Sold Out
BRAND: Taco
ID: #TC200-2S9-0297
Available in 2-4 days
$26.05 USD
Replacement Fuse - 1 Amp (10 Pack)
SKU:
SR1A-001RP
Vendor:
Taco
Type:
Replacement Fuse - 1 Amp (10 Pack)
Availability:
In-Stock
$26.05 USD
BRAND: Taco
ID: #TC200-2S9-0295
Available in 2-4 days
$342.50 USD
Taco Switching Relays combine clearly labeled PC board layouts with advanced features that allow for total system customization. Whether using basic priority switching or the...
SKU:
SR504-EXP-4
Vendor:
Taco
Type:
4 Zone Switching Relay w/ Priority
Availability:
In-Stock
$342.50 USD
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....
SKU:
PC700-2
Vendor:
Taco
Type:
Boiler Reset Control
Availability:
In-Stock
$535.00 USD
BRAND: Taco
ID: #TC200-2S9-0387
$50.50 USD
Cast-iron threaded freedom flange
For 0012-F4, 1400-30, 1400-40, 2400-30, 2400-40
SKU:
194-1540F
Vendor:
Taco
Type:
Cast Iron Threaded Freedom Flange Set
Availability:
In-Stock
$50.50 USD
Availability:
In-Stock
$2,610.00 USD
Availability:
In-Stock
$2,690.00 USD
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...
SKU:
PC702-1
Vendor:
Taco
Type:
Boiler Reset Control 2-Stage
Availability:
In-Stock
$657.00 USD
BRAND: Taco
ID: #TC200-2S9-0281
Available in 2-4 days
$318.50 USD
The Taco SR504-4 Switching Relay is the best choice for all your zoning needs, with advanced PowerPort Cards, external diagnostic lights, and contractor friendly PC...
SKU:
SR504-4
Vendor:
Taco
Type:
4 Zone Switching Relay
Availability:
In-Stock
$318.50 USD
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...
SKU:
PC705-2
Vendor:
Taco
Type:
Variable Speed Pump Control
Availability:
In-Stock
$711.00 USD
BRAND: Taco
ID: #TC200-2S9-0167
Available in 2-4 days
$26.05 USD
Replacement Fuse - 5 Amp (10 Pack)
SKU:
SR5A-005RP
Vendor:
Taco
Type:
Replacement Fuse - 5 Amp (10 Pack)
Availability:
In-Stock
$26.05 USD
Taco SR501 Single zone switching relay is a standard equipment for every installer. It can easily replace any brand made by any manufacturer, and will...
SKU:
SR501-4
Vendor:
Taco
Type:
Switching Relay
Availability:
In-Stock
$120.23 USD
DRB4
DIN RAIL MOUNTING BRACKET FOR TRANSIENT FILTERS
FITS RCD
RCY
CSR AND CSRA CASES
FACTORY WARRANTY MAY NOT APPLY. RADWELL 2-YEAR WARRANTY INCLUDED
SKU:
DRB-4
Vendor:
RK Electronics
Type:
DIN Rail Brackets
Availability:
In-Stock
$6.00 USD
DRB3 DIN RAIL MOUNTING BRACKET FOR TRANSIENT FILTERS SET OF 2 FITS PVC PRR PRS QPB CUB AND PDC CASES FACTORY WARRANTY MAY NOT APPLY....
SKU:
DRB-3
Vendor:
RK Electronics
Type:
DIN Rail Brackets
Availability:
In-Stock
$9.00 USD
DRB2 DIN RAIL MOUNTING BRACKET FOR TRANSIENT FILTERS SET OF 2 FITS M-SERIES MCDR AND RCS5 CASES FACTORY WARRANTY MAY NOT APPLY. RADWELL 2-YEAR WARRANTY...
SKU:
DRB-2
Vendor:
RK Electronics
Type:
DIN Rail Brackets
Availability:
In-Stock
$9.00 USD
DRB1
DIN RAIL MOUNTING BRACKET FOR TRANSIENT FILTERS
FITS
RCS
RDS AND SP CASES
FACTORY WARRANTY MAY NOT APPLY. RADWELL 2-YEAR WARRANTY INCLUDED
SKU:
DRB-1
Vendor:
RK Electronics
Type:
DIN Rail Brackets
Availability:
In-Stock
$4.00 USD
BRAND: RK Electronics
ID: #DPM100-0022
$200.00 USD
DPT24A DIGITAL PERCENTAGE TIMER 24VAC PUMP-JACK OR IRRIGATION OPERATION SELECTIONS RUNNING HOUR METERS SPDT CONTACT PANEL MOUNT FACTORY WARRANTY MAY NOT APPLY. RADWELL 2-YEAR WARRANTY...
SKU:
DPT-24A
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$200.00 USD
BRAND: RK Electronics
ID: #DPM100-0021
$200.00 USD
DPT240A DIGITAL PERCENTAGE TIMER 240VAC PUMP-JACK OR IRRIGATION OPERATION SELECTIONS RUNNING HOUR METERS SPDT CONTACT PANEL MOUNT FACTORY WARRANTY MAY NOT APPLY. RADWELL 2-YEAR WARRANTY...
SKU:
DPT-240A
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$200.00 USD
BRAND: RK Electronics
ID: #DPM100-0021
$200.00 USD
DPT120A DIGITAL PERCENTAGE TIMER 120VAC PUMP-JACK OR IRRIGATION OPERATION SELECTIONS RUNNING HOUR METERS SPDT CONTACT PANEL MOUNT FACTORY WARRANTY MAY NOT APPLY. RADWELL 2-YEAR WARRANTY...
SKU:
DPT-120A
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$200.00 USD
BRAND: RK Electronics
ID: #DPM100-0019
$255.00 USD
DPMP24AB DIGITAL MULTI-RANGE 3 PHASE VOLTAGE MONITOR WITH DISPLAY (200 TO 240VAC 1Ø & 200 TO 600VAC 3Ø) 24VAC SUPPLY SURFACE MOUNT PANEL MOUNTING SPDT...
SKU:
DPMP-24D-B
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$255.00 USD
BRAND: RK Electronics
ID: #DPM100-0018
$250.00 USD
DPMP24AB DIGITAL MULTI-RANGE 3 PHASE VOLTAGE MONITOR WITH DISPLAY (200 TO 240VAC 1Ø & 200 TO 600VAC 3Ø) 24VAC SUPPLY SURFACE MOUNT PANEL MOUNTING SPDT...
SKU:
DPMP-24A-B
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$250.00 USD
BRAND: RK Electronics
ID: #DPM100-0017
$250.00 USD
DPMP240AB DIGITAL MULTI-RANGE 3 PHASE VOLTAGE MONITOR WITH DISPLAY (200 TO 240VAC 1Ø & 200 TO 600VAC 3Ø) 240VAC SUPPLY SURFACE MOUNT PANEL MOUNTING SPDT...
SKU:
DPMP-240A-B
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$250.00 USD
BRAND: RK Electronics
ID: #DPM100-0016
$255.00 USD
DPMP12DB DIGITAL MULTI-RANGE 3 PHASE VOLTAGE MONITOR WITH DISPLAY (200 TO 240VAC 1Ø & 200 TO 600VAC 3Ø) 12VDC SUPPLY SURFACE MOUNT PANEL MOUNTING SPDT...
SKU:
DPMP-12D-B
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$255.00 USD
BRAND: RK Electronics
ID: #DPM100-0015
$250.00 USD
DPMP120AB DIGITAL MULTI-RANGE 3 PHASE VOLTAGE MONITOR WITH DISPLAY (200 TO 240VAC 1Ø & 200 TO 600VAC 3Ø) 120VAC SUPPLY SURFACE MOUNT PANEL MOUNTING SPDT...
SKU:
DPMP-120A-B
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$250.00 USD
BRAND: RK Electronics
ID: #DPM100-0014
$150.00 USD
DPM24DT DIGITAL MULTI-RANGE 3 PHASE VOLTAGE MONITOR WITH DISPLAY (200 TO 240VAC 1Ø & 200 TO 600VAC 3Ø) 24VDC SUPPLY SURFACE MOUNT SURFACE MOUNTING SPDT...
SKU:
DPM-24D-T
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$150.00 USD
BRAND: RK Electronics
ID: #DPM100-0013
$250.00 USD
DPM24DMRTUB DIGITAL MULTI-RANGE 3 PHASE VOLTAGE MONITOR WITH DISPLAY (115 TO 277VAC 1Ø & 200 TO 600VAC 3Ø) 24VDC SUPPLY SURFACE MOUNT SURFACE SPDT CONTACTS...
SKU:
DPM-24D-MRTU-B
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$250.00 USD
BRAND: RK Electronics
ID: #DPM100-0010
$245.00 USD
DPM24AMRTUB DIGITAL MULTI-RANGE 3 PHASE VOLTAGE MONITOR WITH DISPLAY (115 TO 277VAC 1Ø & 200 TO 600VAC 3Ø) 24VAC SUPPLY SURFACE MOUNT SURFACE SPDT CONTACTS...
SKU:
DPM-24A-MRTU-B
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$245.00 USD
BRAND: RK Electronics
ID: #DPM100-0009
$170.00 USD
DPM24AB DIGITAL MULTI-RANGE 3 PHASE VOLTAGE MONITOR WITH DISPLAY (200 TO 240VAC 1Ø & 200 TO 600VAC 3Ø) 24VAC SUPPLY SURFACE MOUNT SURFACE MOUNTING SPDT...
SKU:
DPM-24A-B
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$170.00 USD
BRAND: RK Electronics
ID: #DPM100-0006
$170.00 USD
DPM240AB DIGITAL MULTI-RANGE 3 PHASE VOLTAGE MONITOR WITH DISPLAY (200 TO 240VAC 1Ø & 200 TO 600VAC 3Ø) 240VAC SUPPLY SURFACE MOUNT SURFACE MOUNTING SPDT...
SKU:
DPM-240A-B
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$170.00 USD
BRAND: RK Electronics
ID: #DPM100-0005
$150.00 USD
DPM12DT
VOLTAGE MONITOR
DIGITAL
MULTI-RANGE
200-240 VAC
12 VDC
FACTORY WARRANTY MAY NOT APPLY. RADWELL 2-YEAR WARRANTY INCLUDED
SKU:
DPM-12D-T
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$150.00 USD
BRAND: RK Electronics
ID: #DPM100-0004
$250.00 USD
DPM12DMRTUB DIGITAL MULTI-RANGE 3 PHASE VOLTAGE MONITOR WITH DISPLAY (115 TO 277VAC 1Ø & 200 TO 600VAC 3Ø) 12VDC SUPPLY SURFACE MOUNT SURFACE SPDT CONTACTS...
SKU:
DPM-12D-MRTU-B
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$250.00 USD
BRAND: RK Electronics
ID: #DPM100-0003
$175.00 USD
DPM12DB DIGITAL MULTI-RANGE 3 PHASE VOLTAGE MONITOR WITH DISPLAY (200 TO 240VAC 1Ø & 200 TO 600VAC 3Ø) 12VDC SUPPLY SURFACE MOUNT SURFACE MOUNTING SPDT...
SKU:
DPM-12D-B
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$175.00 USD
DPM120AT DIGITAL MULTI-RANGE 3 PHASE VOLTAGE MONITOR WITH DISPLAY (200 TO 240VAC 1Ø & 200 TO 600VAC 3Ø) 120VAC SUPPLY SURFACE MOUNT SURFACE MOUNTING SPDT...
SKU:
DPM-120A-T
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$145.00 USD
DPM120AMRTUB DIGITAL MULTI-RANGE 3 PHASE VOLTAGE MONITOR WITH DISPLAY (115 TO 277VAC 1Ø & 200 TO 600VAC 3Ø) 120VAC SUPPLY SURFACE MOUNT SURFACE SPDT CONTACTS...
SKU:
DPM-120A-MRTU-B
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$245.00 USD
BRAND: RK Electronics
ID: #DPM100-0000
$170.00 USD
DPM120AB
VOLTAGE MONITOR
W/DISPLAY
DIGITAL
MULTI-RANGE
3 PHASE
200-240/600 VAC
120 VAC SUPPLY
SURFACE MOUNT
FACTORY WARRANTY MAY NOT APPLY. RADWELL 2-YEAR WARRANTY INCLUDED
SKU:
DPM-120A-B
Vendor:
RK Electronics
Type:
Electronics Protection Relays
Availability:
In-Stock
$170.00 USD
Switching Relay Type AC Operated, WR/RBM Type 91 Contact Configuration DPDT Contact Voltage Rating 125/250/277 Volt AC Contact Current Rating 15 Amp at 277 Volt...
SKU:
90-341
Vendor:
White-Rodgers
Type:
2 Pole Switching Relay
Availability:
In-Stock
$15.90 USD
BRAND: White-Rodgers
ID: #WR100-2MP9-0132
$13.49 USD
Enclosed Relay Type AC Operated, WR/RBM Type 84 Contact Configuration SPNO Contact Voltage Rating 125/250 Volt AC Contact Current Rating 8 Amp (Inductive), 16 Amp...
SKU:
90-290Q
Vendor:
White-Rodgers
Type:
Enclosed Fan Relay
Availability:
In-Stock
$13.49 USD
BRAND: White-Rodgers
ID: #WR100-2MP9-0119
$16.88 USD
Enclosed Relay Type AC Operated, WR/RBM Type 184, Heavy Duty Contact Configuration SPNO Contact Voltage Rating 125/250/277 Volt AC Contact Current Rating 12 Amp at...
SKU:
90-294Q
Vendor:
White-Rodgers
Type:
Enclosed Fan Relay
Availability:
In-Stock
$16.88 USD
Enclosed Relay Type AC Operated, WR/RBM Type 184, Heavy Duty Contact Configuration SPNO Contact Voltage Rating 125/250/277 Volt AC Contact Current Rating 12 Amp at...
SKU:
90-360
Vendor:
White-Rodgers
Type:
Enclosed Fan Relay
Availability:
In-Stock
$12.61 USD
BRAND: White-Rodgers
ID: #WR100-2MP9-0030
$14.55 USD
Enclosed Relay Type AC Operated, WR/RBM Type 184, Heavy Duty Contact Configuration SPNO Contact Voltage Rating 125/250/277 Volt AC Contact Current Rating 12 Amp at...
SKU:
90-362
Vendor:
White-Rodgers
Type:
Fan Relay
Availability:
In-Stock
$14.55 USD
BRAND: White-Rodgers
ID: #WR100-2MP9-0029
$10.35 USD
Enclosed Relay Type AC Operated, WR/RBM Type 184, Heavy Duty Contact Configuration SPDT Contact Voltage Rating 125/250/277 Volt AC Contact Current Rating 12 Amp at...
SKU:
90-370S1
Vendor:
White-Rodgers
Type:
Fan Relay
Availability:
In-Stock
$10.35 USD
BRAND: White-Rodgers
ID: #WR100-1S9-1134
Available in 2-4 days
$17.25 USD
WR/RBM type 84 Used for switching single or two speed fan motors, solenoids, relays, resistive loads and general purpose switching Compact, totally enclosed design For...
SKU:
90-292Q
Vendor:
White-Rodgers
Type:
Enclosed Fan Relay
Availability:
In-Stock
$17.25 USD
WR/RBM type 84 Used for switching single or two speed fan motors, solenoids, relays, resistive loads and general purpose switching Compact, totally enclosed design For...
SKU:
90-291Q
Vendor:
White-Rodgers
Type:
Enclosed Fan Relay
Availability:
In-Stock
$17.25 USD
WR/RBM type 84 Used for switching single or two speed fan motors, solenoids, relays, resistive loads and general purpose switching Compact, totally enclosed design For...
SKU:
90-295Q
Vendor:
White-Rodgers
Type:
Enclosed Fan Relay
Availability:
In-Stock
$24.15 USD
WR/RBM type 84 Used for switching single or two speed fan motors, solenoids, relays, resistive loads and general purpose switching Compact, totally enclosed design For...
SKU:
90-294Q
Vendor:
White-Rodgers
Type:
Enclosed Fan Relay
Availability:
In-Stock
$18.40 USD
RBM Type 91
Double throw semi-enclosed
208/240VAC
For use on heat pumps, vending machines, fans, heating and air conditioning and other applications
SKU:
90-342
Vendor:
White-Rodgers
Type:
2 Pole Switching Relay
Availability:
In-Stock
$14.95 USD
RBM Type 91
115/120V
Switch action: DPDT
SKU:
90-341
Vendor:
White-Rodgers
Type:
2 Pole Switching Relay
Availability:
In-Stock
$14.95 USD
BRAND: White-Rodgers
ID: #WR100-1S9-1129
$13.80 USD
WR/RBM type 184
Operates in any position
Compact, totally enclosed design
For heating and cooling applications and general switching
SKU:
90-370
Vendor:
White-Rodgers
Type:
Heavy-duty Enclosed Fan Relay
Availability:
In-Stock
$13.80 USD
WR/RBM type 84 Used for switching single or two speed fan motors, solenoids, relays, resistive loads and general purpose switching Compact, totally enclosed design For...
SKU:
90-293Q
Vendor:
White-Rodgers
Type:
Heavy-duty Enclosed Fan Relay
Availability:
In-Stock
$12.65 USD
WR/RBM type 84 Used for switching single or two speed fan motors, solenoids, relays, resistive loads and general purpose switching Compact, totally enclosed design For...
SKU:
90-290Q
Vendor:
White-Rodgers
Type:
Heavy-duty Enclosed Fan Relay
Availability:
In-Stock
$12.65 USD
Shop Switching Relays at SupplyShop
Find switching relays for commercial HVAC, refrigeration, plumbing, electrical, foodservice, and maintenance work. Browse options such as Replacement Fuse - 6 Amp (10 Pack), Electronics Protection Relays, Heavy-duty Enclosed Fan Relay, Switching Relay. Compare brands such as Taco, RK Electronics, White-Rodgers when a direct replacement or approved brand matters.
How to choose switching relays
- Match the product page details to the equipment nameplate, project plan, or replacement part requirements.
- Compare dimensions, material, voltage, capacity, compatibility, and accessory requirements where they apply.
- Use product photos, manuals, model numbers, and SKU details to confirm the selection before checkout.
Before you order
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