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Switches & Relays

Displaying 1-96 of 130 results


Taco SR501-2
Zone Relay 00 Switching 1 Zone 120 Volt 5 Amps Printed Circuit Board External LED
$62.76  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Taco SR503-2
Zone Relay 00 Switching 3 Zone with Priority 120 Volt 15 Amps Printed Circuit Board External LED
$159.14  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Taco SR502-2
Zone Relay 00 Switching 2 Zone with Priority 120 Volt 15 Amps Printed Circuit Board External LED
$149.55  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Taco SR504-2
Zone Relay 00 Switching 4 Zone with Priority 120 Volt 20 Amps Printed Circuit Board External LED
$195.04  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Taco SR506-2
Zone Relay 00 Switching 6 Zone with Priority 120 Volt 20 Amps Printed Circuit Board External LED
$242.74  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Functional Devices RIBU1C
Relay Enclosed Pilot Control SPDT 10-30 VAC/DC/120 VAC 10 Amp
$10.81  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Functional Devices RIB2401D
Relay Power Control DPDT 24 VAC/DC/120 VAC 10 Amp
$18.28  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Honeywell R8222D1014/U
Multi-Purpose Relay 24 Volt DPDT Heavy Duty 12VA Double Quick Connect Spade Terminal
$17.74  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Taco SR503-EXP-1
Zone Relay 00 Switching 3 Zone with Priority and Power Port Option 120 Volt 20 Amps Printed Circuit Board External LED
$164.87  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Sealed Units NS2000031
Pressure Switch Universal Air Sensing 10 Inch Water Column
$23.33  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Taco SR506-EXP-1
Zone Relay 00 Switching 6 Zone with Priority and Power Port Option 120 Volt 20 Amps Printed Circuit Board External LED
$254.58  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Taco SR504-EXP-1
Zone Relay 00 Switching 4 Zone with Priority and Power Port Option 120 Volt 20 Amps Printed Circuit Board External LED
$207.24  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Honeywell R845A1030/U
Multi-Purpose Relay 24 Volt 0.4 Amp DPST Switching with Internal Transformer
$87.89  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Sealed Units RC0410
Overload Relay RCO Capacitor 243-292 Microfarad Quick Connect 115 Volt
$11.93  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Taco SR024-001RP
Relay 24V
$27.48  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Sealed Units RC0210
Overload Relay RCO Combination 115 Volt
$15.91  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Mars 90340
Relay Power-Power 903 DPDT Switching Quick Connect 24 Volt
$8.63  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Source 1 S1-02527747002
Rollout Switch Temperature Control 200 Open/Manual Close 200 Degrees Fahrenheit for All DL Series
$10.31  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Mars 90293
Relay 903 General Purpose Single Pole Double Throw 24 Volt
$8.19  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Honeywell R8239A1052/U
Multi-Purpose Relay 40 Volt SPDT
$47.14  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Honeywell THM6000R7001/U
Control RedLink Internet Gateway with Cable Power Cord
$74.34  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Mars 90290
Relay 903 General Purpose Single Pole Single Throw 24 Volt
$8.92  / ea
Qty
Guests: In Stock. Ships In 3-7 Business Days.

Honeywell R8285A1048/U
Multi-Purpose Relay Tradeline 40 Volt SPDT
$47.99  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Taco SR120-001RP
Relay 120V
$26.66  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Source 1 S1-02527792001
Rollout Switch 200 Open Manual Close
$4.81  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Functional Devices RIBXKTF
Current Sensor Solid Core Fixed Switch 0.25-150 Amp 30 VAC/DC SPST
$14.46  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Honeywell Commercial 107408/U
Heat Conductive Compound 4 Ounce
$12.78  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Caleffi ZSR103
Zone Relay ZSR 3 Zone Switch Pump Control 12 Volt ABS
$160.00  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Honeywell R8222B1067/U
Multi-Purpose Relay 24 Volt SPDT 1/4" Quick Connect
$16.57  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Source 1 S1-02527733002
Rollout Switch DPST 175 Open 95 Close
$12.79  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Honeywell R4222D1013/U
Multi-Purpose Relay 120 DPDT
$19.10  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Mars 90380
Relay 903 Heavy Duty Normally Open/Normally Closed Universal Bracket 24 Volt
$9.41  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Functional Devices RIB2401B
Relay Power Control Enclosed SPDT 24 VAC/DC/120 VAC 20 Amp
$16.24  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Honeywell 121371L/U
Well Assembly Replacement 1/2 Inch Copper
$38.88  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Functional Devices RIBU2C
Relay Enclosed Pilot Control 2 SPDT 10-30 VAC/DC/120 VAC 10 Amp
$21.14  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Caleffi ZVR103
Zone Relay ZVR 3 Zone Switch Valve Control 40 Volt ABS
$121.33  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Taco SR501-EXP
Zone Relay 00 Switching 1 Zone with Power Port Options 120 Volt 5 Amps Printed Circuit Board External LED
$164.87  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Sealed Units SFC300400
Pressure Switch Fan Cycling Low Pressure SPST Open 300-400 Close Pounds per Square Inch Direct
$14.61  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Source 1 S1-02527747016
Rollout Switch Flame 320 Open/Manual Close for Coleman
$5.46  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Source 1 S1-02527792009
Rollout Switch Flame 350 Manual Open/Close Manual Reset for Coleman Furnace
$7.19  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Mars 90370
Relay 903 Single Pole Double Throw Heavy Duty Universal Bracket 24 Volt
$9.41  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Honeywell RA89A1074/U
Multi-Purpose Relay 24 Volt 0.4 Amp SPST 120V Switching with Internal Transformer
$70.61  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Honeywell DC6000WF1001
Control D6 D6 Pro Wi-Fi Ductless Mini-Split Square
$153.51  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Source 1 S1-02426089000
Relay Time Delay Motor for Coleman and Evcon Equipment
$27.99  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Functional Devices RIBU1S
Relay Pilot Control with Hand Off Automatic SPST Normally Open 10-30 VAC/DC/120 VAC 10 Amp
$18.48  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Caleffi ZSR104
Zone Relay ZSR 4 Zone Switch Pump Control 12 Volt ABS
$187.33  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Honeywell R8239B1076/U
Multi-Purpose Relay Super Tradeline 50 Volt DPDT
$66.34  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Caleffi ZVR104
Zone Relay ZVR 4 Zone Switch Valve Control 40 Volt ABS
$144.67  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Caleffi ZSR101
Zone Relay ZSR Single Zone Switch 24 Volt ABS
$68.00  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Caleffi ZSR106
Zone Relay ZSR 6 Zone Switch Pump Control 20 Volt ABS
$229.33  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Honeywell R8845U1003/U
Multi-Purpose Relay 24 Volt 0.4 Amp 2 SPST Universal with Internal Transformer
$82.25  / ea
Qty
Guests: In Stock. Ships In 3-7 Business Days.

Functional Devices RIBXKF
Current Sensor Solid Core Fixed Current Switch 0.25-150 Amp 30 VAC/DC SPST
$14.46  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Mars 90341
Relay Power-Power 903 DPDT Switching Quick Connect 120 Volt
$8.86  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Source 1 S1-02424103000
Control Relay SPST 24V 50/60HZ
$13.82  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Mars 90294
Relay 903 General Purpose Single Pole Double Throw 110/120 Volt
$9.65  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Functional Devices RIB24P
Relay Power Control DPDT 24 VAC/DC 20 Amp
$34.35  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Sealed Units SUPR
Relay Universal Potential Bracket 110-270 Voltage Alternating Current 30 Amp
$17.33  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Caleffi ZVR106
Zone Relay ZVR 6 Zone Switch Valve Control 80 Volt ABS
$187.33  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Sealed Units SFC210275
Pressure Switch Fan Cycling Low Pressure SPST Open 210-275 Close Pounds per Square Inch Direct
$14.61  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Source 1 S1-02419082028
Control Relay Heat Sequencer 24 Volt
$17.65  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Mars 90342
Relay Power-Power 903 DPDT Switching Quick Connect 240 Volt
$8.86  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Honeywell R4222D1021/U
Multi-Purpose Relay 208/240 Volt 6 Amp DPDT 1/4" Quick Connect
$19.96  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Source 1 S1-02421678700
Control Relay SPST 24 Volt
$14.98  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Honeywell S688A1007/B
Switch SPDT for Electronic Air Cleaners and Humidifiers 5 Inch Wide Opening Velocity 75-250FPM Insertion Length 10 Inch
$48.75  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Honeywell R8222N1011/U
Multi-Purpose Relay 24 Volt DPDT Pilot Duty 1/4" Quick Connect
$25.22  / ea
Qty
Guests: In Stock. Ships In 3-7 Business Days.

Source 1 S1-02419082738
Relay Heat Sequencer Time Delay
$25.80  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Copeland 940-0001-55
Relay Potential 040-0166-15 375 Volt
$49.59  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Source 1 S1-02426088001
Relay Time Delay Control Board for HVACR Equipment
$33.81  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Navien PFMZ-03P-001
Control Relay SmartZone+ 3 Zone Switching for NCB/NHB
$120.00  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Steamist 250R-PC
Control Wallmount TSC-250 Round Polish Chrome
$546.00  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Source 1 S1-02419082039
Relay Heat Sequencer for BPGM 036-060
$25.11  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Copeland 940-0001-60
Relay Potential 040-0001-60 383 Volt
$52.73  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Mars 90295
Relay 903 General Purpose Single Pole Double Throw 208/240 Volt
$10.29  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Functional Devices MU1C
Relay Control SPDT 4 Inch Track 10-30 VAC/DC/120 VAC 15 Amp
$11.28  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Functional Devices RIB2401SB
Relay Enclosed SPST Normally Open +Override 24 VAC/DC/120 VAC 20 Amp
$20.98  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Sealed Units SFC150225
Pressure Switch Fan Cycling Low Pressure SPST Open 150-225 Close Pounds per Square Inch Direct
$10.60  / ea
Qty
Guests: In Stock. Ships In 3-7 Business Days.

Source 1 S1-02425910700
Control Relay DPST 24V 50/60HZ
$31.08  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Source 1 S1-02426090001
Relay Blower/Draft Motor Time Delay for DBUC-T 072
$28.40  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Source 1 S1-S90-340
Relay Switch DPDT 24 Volt
$14.81  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Mars 19004
Relay 190 Potential Break Off Bracket 332 Volt
$44.64  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Functional Devices MT212-12
Mounting Track Snap 2-3/4 x 12 Inch for Relays/Current Sensors/Power Supplies 12 Inch
$4.05  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Mars 19008
Relay 190 Potential Break Off Bracket 336 Volt
$42.02  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Johnson Controls CSD-SF0C0-1
Switch CSD Current Sensing Relay Fixed 0.25-200A Surface SPST Normally Open
$33.60  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Source 1 S1-02420878703
Relay Time Delay 24 Volt
$49.35  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Source 1 S1-02424111000
Control Relay DPST 50/60HZ
$20.04  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Honeywell R8225A1017/U
Multi-Purpose Relay 24 Volt Fan with SPDT Quick Connect
$83.73  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Copeland 940-0001-59
Relay Potential 040-0001-59 420 Volt
$53.93  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Source 1 S1-02419082017
Relay Heat Sequencer for Furnace
$20.47  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Mars 19005
Relay Potential Break Off Bracket 395 Volt
$41.23  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Navien PFMZ-06P-001
Control Relay SmartZone+ 6 Zone Switching for NCB/NHB
$173.33  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Taco SR501-OR
Zone Relay FuelMizer 00 Switching 1 Zone 120 Volt Class 2 Printed Circuit Board External LED 4-1/4 x 5-1/4 x 2-3/4 Inch
$136.67  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Mars 90292
Relay 903 General Purpose Single Pole Single Throw 208/240 Volt
$9.88  / ea
Qty
Guests: In Stock. Ships In 3-7 Business Days.

Mars 19002
Relay 190 Potential Break Off Bracket 170 Volt
$42.49  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Copeland 940-0001-68
Relay Potential 040-0166-27 420 Volt
$50.51  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Source 1 S1-02419138001
Control Relay Heat Sequencer 3PDT 24V 50/60HZ
$21.20  / ea
Qty
Guests: In Stock. Ships In 3-7 Business Days.

Source 1 S1-02425800700
Relay Time Delay for HVACR Equipment
$38.78  / ea
Qty
Guests: In Stock. Ships in 1 Business Day.

Displaying 1-96 of 130 results

 

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