Switching Relays

Switching Relays control zone heating and cooling in hydronic systems, making efficient temperature management simple. These electrical switches handle high-power boiler and circulator loads using low-power control signals. Jackson Systems stocks switching relays in multiple configurations and amperages – shop our complete hydronic controls selection today!

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Showing 193–234 of 234 resultsSorted by popularity

Relay 3P2T 600V 25A 24V Coil

Bosch HVAC

SKU: 8733956951
$58.36
MSRP: $67.11
You save 15%
Bosch 8733956951 Relay 3P2T 600V 25A 24V Coil quantity
MST R8285C1002 Switching Relay with Molex Connector

Burnham Boiler

SKU: 100640-01
$138.50
MSRP: $159.28
You save 15%
Burnham Boiler 100640-01 MST R8285C1002 Relay with Molex Connector quantity
Relay Cycle Timer, Default Off Configuration

Bard HVAC

SKU: 8201-135BX
$99.60
MSRP: $114.54
You save 13%
Bard HVAC 8201-135BX Relay Cycle Timer Default Off quantity
SPDT Pilot Duty Relay for Bard HVAC Systems

Bard HVAC

SKU: 8201-130BX
$18.75
MSRP: $23.24
You save 19%
Bard HVAC 8201-130BX SPDT Pilot Duty Relay quantity
24V SPDT Relay for Bard HVAC Systems

Bard HVAC

SKU: 8201-062BX
$32.99
MSRP: $37.94
You save 15%
Bard HVAC 8201-062BX 24V SPDT Relay quantity
DPDT Relay for Bard HVAC Systems – SKU 8201-048BX

Bard HVAC

SKU: 8201-048BX
$42.99
MSRP: $49.44
You save 15%
Bard HVAC 8201-048BX DPDT Relay quantity
24V SPDT Relay for Bard HVAC Systems

Bard HVAC

SKU: 8201-032BX
$26.46
MSRP: $30.43
You save 15%
Bard HVAC 8201-032BX 24V SPDT Relay quantity
Relay, 1 N.O./1 N.C. Contact, 3A @ 277V

Bard HVAC

SKU: 8201-015BX
$39.99
MSRP: $45.99
You save 15%
Bard HVAC 8201-015BX Relay, 1 N.O./1 N.C. Contact, 3A @ 277V quantity
Double Pole Single Throw Normally Open Relay

Bard HVAC

SKU: 8201-013BX
$28.91
MSRP: $33.25
You save 15%
Bard HVAC 8201-013BX Double Pole Single Throw Normally Open Relay quantity
24V SPDT 8 FLA Fan Relay for HVAC Systems

Bard HVAC

SKU: 8201-009BX
$25.28
MSRP: $29.07
You save 15%
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24V SPST Normally Open Relay, OEM Replacement Part

Bard HVAC

SKU: 8201-008BX
$25.28
MSRP: $29.07
You save 15%
Bard HVAC 8201-008BX 24V SPST Normally Open Relay quantity
Relay Pack for HVAC Control Applications

Schneider Electric

SKU: VC3500E5000
$156.88
MSRP: $180.41
You save 13%
Schneider Electric (Barber Colman) VC3500E5000 Relay Pack quantity
Solid State Relay, 600V, 25A

Schneider Electric

SKU: R810-621-REV2
$143.80
MSRP: $186.39
You save 23%
Schneider Electric (Barber Colman) R810-621-REV2 Solid State Relay 600V 25A quantity
24VAC DPDT Power Relay for HVAC Control Applications

Schneider Electric

SKU: 92S11A22D-24
$55.43
MSRP: $63.74
You save 13%
Schneider Electric (Barber Colman) 92S11A22D-24 24VAC DPDT Power Relay quantity
Power Relay, 30A, 12V AC Coil, 2 Change-Over Contacts

Schneider Electric

SKU: 92S11A22D-120
$26.31
MSRP: $31.18
You save 16%
Schneider Electric (Barber Colman) 92S11A22D-120 Power Relay 30A 12V AC 2 C/O quantity
120VAC 15A DPDT Plug-In Relay

Schneider Electric

SKU: 782XBXM4L-120A
$21.35
MSRP: $24.55
You save 15%
Read more
24Vdc Light Green Cube Relay

ASCO

SKU: 115277
$54.93
MSRP: $63.17
You save 13%
ASCO 115277 24Vdc Light Green Cube Relay quantity
24VAC DPST Electric Heat Load Control Relay with Normally Closed Contacts

Honeywell Home

SKU: R8229A1021
$136.98
MSRP: $157.53
You save 15%
Honeywell R8229A1021 Electric Heat Relay – 24VAC DPST Load Control Relay quantity
HVAC electrical switching relay replacement component

Friedrich

SKU: 61108801
$78.51
MSRP: $90.29
You save 15%
Read more
SPDT switching fan relay, 18A resistive, 24 VAC coil

Packard

SKU: PR370
$14.25
MSRP: $16.39
You save 15%
Packard PR370 SPDT 18A 24V Switching Fan Relay quantity
SPST-NO Switching Fan Relay, 120V Coil, 18 Resistive Amps

Packard

SKU: PR362
$16.99
MSRP: $19.54
You save 15%
Packard PR362 SPST-NO Switching Fan Relay, 120V Coil, 18 Resistive Amps quantity
SPST-NO Switching Fan Relay, 24 VAC Coil, 18 Resistive Amps

Packard

SKU: PR360
$10.15
MSRP: $11.67
You save 15%
Packard PR360 SPST-NO 24V 18A Switching Fan Relay quantity
SPDT 16A 24V switching relay for fans and solenoids

Packard

SKU: PR293Q
$11.50
MSRP: $13.23
You save 15%
Packard PR293Q SPDT 16A 24V Switching Fan Relay quantity
SPST Switching Fan Relay, 16A Resistive, 24 VAC Coil

Packard

SKU: PR290Q
$12.20
MSRP: $14.03
You save 15%
Packard PR290Q SPST 16A 24V Switching Fan Relay quantity
40A Miniature SPDT Power Relay with 24VAC Coil

Packard

SKU: PR1931
$8.25
MSRP: $9.49
You save 15%
Packard PR1931 40A Miniature Power Relay SPDT 24VAC Coil quantity
3PDT Power Relay, 24VAC Coil, 10A, Blade Terminals

IDEC

SKU: RR3B-UAC24V
$26.83
MSRP: $30.85
You save 15%
IDEC RR3B-UAC24V RR Series Power Relay, 3PDT, 24VAC, 10A, Blade Terminals quantity
Analog timer, 24Vac/24Vdc, 2-DPDT contacts, 8-pin, power triggered

IDEC

SKU: RTE-P1AD24
$65.33
MSRP: $75.13
You save 15%
IDEC Relays RTE-P1AD24 Analog Timer, 24Vac/24Vdc, 2-DPDT, Power Triggered, 8-Pin quantity
4PDT Compact Power Relay, 120VAC, 10A, Blade Terminals, Top Bracket Mount

IDEC

SKU: RH4B-UTAC120V
$25.91
MSRP: $30.06
You save 14%
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24VAC 3PDT 10A Top-Mount Power Relay with Coil Cover

IDEC

SKU: RH3B-UTAC24V
$20.99
MSRP: $24.14
You save 15%
IDEC RH3B-UTAC24V 24V 3PDT Power Relay with Top-Mount Coil Cover quantity
Compact DPDT Power Relay, 24VAC, 10A, Blade Terminals, Top Bracket Mount

IDEC

SKU: RH2B-UTAC24V
$17.09
MSRP: $19.65
You save 15%
IDEC RH2B-UTAC24V RH Series Compact Power Relay, DPDT, 24VAC, 10A, Blade Terminals quantity
SPDT Plug-In Compact Power Relay with Blade Terminals, 24VDC 10A

IDEC

SKU: RH1B-UDC24V
$7.29
MSRP: $8.38
You save 15%
IDEC RH1B-UDC24V SPDT Compact Power Relay Plug-In 24VDC 10A quantity
DPDT Miniature Plug-In Relay, 110-120VAC, 3 Amp, Slim Profile

IDEC

SKU: RY2S-UAC120V
$7.78
MSRP: $13.87
You save 44%
IDEC RY2S-UAC120V RY Series DPDT Miniature Plug-In Relay, 110-120VAC, 3A Slim quantity
4PDT Universal Plug-In Relay, 110-120VAC, 6A, with Indicator & Latching Lever

IDEC

SKU: RU4S-A110
$17.21
MSRP: $19.79
You save 15%
IDEC RU4S-A110 RU Series 4PDT Universal Plug-In Relay with Indicator & Latching Lever quantity
3PDT Power Relay, 24VAC, 10A, Blade Terminals & Side Flange Mount

IDEC

SKU: RR3B-USAC24V
$27.33
MSRP: $31.43
You save 15%
IDEC RR3B-USAC24V RR Series Power Relay, 3PDT, 24VAC, 10A, Blade Terminals, Side Flange quantity
4PDT Compact Power Relay, 24VAC Coil, 10A, Blade Terminals

IDEC

SKU: RH4B-UAC24V
$22.14
MSRP: $25.46
You save 15%
IDEC RH4B-UAC24V RH Series Compact Power Relay, 4PDT, 24VAC, 10A, Blade Terminals quantity
3PDT Compact Power Relay with Blade Terminals & Indicator, 240VAC, 10A

IDEC

SKU: RH3B-ULAC240V
$27.99
MSRP: $32.19
You save 15%
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General purpose fan relay for HVAC & refrigeration switching

Honeywell Home

SKU: R8225D1003
$123.54
MSRP: $142.07
You save 15%
Honeywell R8225D1003 Fan Relay VAC Coil quantity
Enclosed Latching Relay, 20 Amp, 24V AC/DC with Auxiliary Contact

Functional Devices

SKU: RIBL24BM

$138.60Add to Cart for Savings

Functional Devices RIBL24BM Enclosed Relay 20A 24V AC/DC Latching with Aux Contact quantity
Enclosed Latching Relay, 20A, 12VAC/DC, with Auxiliary Contact

Functional Devices

SKU: RIBL12BM

$148.75Add to Cart for Savings

Functional Devices RIBL12BM Enclosed Latching Relay 20A 12VAC/DC with AUX Contact quantity
Enclosed Mechanically Latching Relay, 20A SPST, 12VAC/DC Coil

Functional Devices

SKU: RIBL12B

$114.65Add to Cart for Savings

Functional Devices RIBL12B Enclosed Relay 20A 12VAC/DC Mechanically Latching SPST quantity
BACnet enclosed relay, 20A SPDT, hi/low voltage separation, 1 digital input

Functional Devices

SKU: RIBTW2402B-BC

$171.95Add to Cart for Savings

Functional Devices RIBTW2402B-BC BACnet Enclosed Relay 20A SPDT 24Vac/dc/208-277Vac with Digital Input quantity
Enclosed pilot relay, 10A, 3 SPST-N/O + 1 SPDT, 10–30 VAC coil

Functional Devices

SKU: RIBL4C

$95.00Add to Cart for Savings

Functional Devices RIBL4C Enclosed Pilot Relay 10A 3 SPST-N/O + 1 SPDT 10-30 VAC quantity