Hard Start Devices - HVAC Pro Supplies

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Ranco Rocket Heavy-Duty Hard Start Kit w/ 690% Torque Increase (90/277V)

Rated 0 out of 5

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$22.18each

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SKU: RSPP8E

Product Highlights	Voltage: 90/277 VAC
Specs	Type: Relay , Voltage: 90/277 VAC
Brand	Ranco

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1/12 HP thru 1/5 HP ST Hardstart (115V)

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$13.35each

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SKU: TQS81

Product Highlights	Horse Power: 1/12-1/5 HP , Voltage: 115V
Specs	Product Type: Hardstart , Horse Power: 1/12-1/5 , Voltage: 115V
Brand	TorQstart

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MTX-200 Hard Start Kit

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$35.80each

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SKU: 32702-MARS

Product Highlights	Voltage: 277v , Horse Power: 1/2 to 10 HP
Specs	Voltage: 277v , Horse Power: 1/2 to 10
Brand	MARS

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1/4 HP and 1/3 HP ST Hardstart (115V)

Rated 0 out of 5

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$14.15each

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SKU: TQS41

Product Highlights	Horse Power: 1/4 and 1/3 HP , Voltage: 115V
Specs	Product Type: Hardstart , Horse Power: 1/4 and 1/3 , Voltage: 115V
Brand	TorQstart

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Ranco Rocket Hard Start Kit for 1/12 thru 1/5 HP Compressors (120V)

Rated 0 out of 5

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$13.06each

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SKU: RSO810

Product Highlights	Voltage: 120v
Specs	Type: Relay , Voltage: 120v
Brand	Ranco

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MTX-100 Hard Start Kit

Rated 0 out of 5

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$19.71each

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SKU: 32701

Product Highlights	Voltage: 277v , Horse Power: 1/2 to 5 HP
Specs	Voltage: 277v , Horse Power: 1/2 to 5
Brand	MARS

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MARS AllStart Hard Start Device

Rated 0 out of 5

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$72.88each

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SKU: 32708

Product Highlights	Horse Power: 1/2 thru 10 HP , Voltage: 115-277V
Specs	Horse Power: 1/2 thru 10 , Voltage: 115-277V
Brand	MARS

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Solid-State Snap-On Relay, 1/12-1/2 HP (220V)

Rated 0 out of 5

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$5.69each

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SKU: ICG-220

Product Highlights	Voltage: 220v , Horse Power: 1/12-1/2 HP
Specs	Type: Relay , Voltage: 220v , Horse Power: 1/12-1/2
Brand	Supco

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1/4 HP thru 1/3 HP ST Hardstart (115V)

Rated 0 out of 5

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$21.71each

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SKU: TQS21

Product Highlights	Horse Power: 1/4-1/3 HP , Voltage: 115V
Specs	Product Type: Hardstart , Horse Power: 1/4-1/3 , Voltage: 115V
Brand	TorQstart

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1/2 HP thru 10 HP ST Hardstart, 4000 thru 120000 BTU (115-277V)

Rated 0 out of 5

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$27.27each

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SKU: TQS8

Product Highlights	Horse Power: 1/2 thru 10 HP , Voltage: 115-277V , BTU: 4000 thru 120000
Specs	Product Type: Hardstart , Horse Power: 1/2 thru 10 , Voltage: 115-277V , BTU: 4000 thru 120000
Brand	TorQstart

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Ranco Rocket Hard Start Kit for 1/4 and 1/3 HP Compressors (120V)

Rated 0 out of 5

In stock

$10.78each

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SKU: RSO410

Product Highlights	Voltage: 120v
Specs	Type: Relay , Voltage: 120v
Brand	Ranco

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Hard Start Kit, 10J42

Rated 0 out of 5

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$215.37each

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SKU: 10J42

Product Highlights	Voltage: 330v , Horse Power: 1-3 HP
Specs	Product Type: Hardstart
Brand	Lennox

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Hard Start Relay, 0130M00441

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$26.58each

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SKU: 0130M00441

Brand	Goodman-Amana

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Solid-State Snap-On Relay, 1/12-1/2 HP (115V)

Rated 0 out of 5

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$5.40each

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SKU: ICG1

Product Highlights	Voltage: 115V , Horse Power: 1/12-1/2 HP
Specs	Type: Relay , Voltage: 115V , Horse Power: 1/12-1/2
Brand	Supco

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Ranco Rocket Heavy Duty Hard Start Kit w/ 500% Torque Increase (115/288V)

Rated 0 out of 5

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$12.76each

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SKU: RSPP6

Product Highlights	Voltage: 115/288V
Specs	Type: Relay , Voltage: 115/288V
Brand	Ranco

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Hard Start Kit, 88M91

Rated 0 out of 5

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$184.13each

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SKU: 88M91

Specs	Product Type: Hardstart
Brand	Lennox

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Universal Power Hard Start Relay, 1/20-1/2 HP, 145-175 MFD (230V)

Rated 0 out of 5

In stock

$16.93each

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SKU: URSC20

Product Highlights	Voltage: 330v , Horse Power: 1-3 HP
Specs	Type: Relay , Voltage: 330v , Horse Power: 1-3
Brand	Supco

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Ranco Rocket Heavy-Duty Hard Start Kit w/ 300% Torque Increase (115/288V)

Rated 0 out of 5

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$7.00each

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SKU: RSPP5

Product Highlights	Voltage: 115/288V
Specs	Type: Relay , Voltage: 115/288V
Brand	Supco

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Solid-State Hardstart Relay for High Efficiency Compressors (110 to 125VAC)

Rated 0 out of 5

In stock

$15.53each

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SKU: URCO810

Product Highlights	Voltage: 100 to 125 VAC , Horse Power: 1/12 to 1/5 HP
Specs	Type: Relay , Voltage: 100 to 125 VAC , Horse Power: 1/12 to 1/5
Brand	Supco

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Solid-State Push-On Relay, 1/12-1/2 HP (115V)

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$5.19each

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SKU: PO115

Product Highlights	Voltage: 115V , Horse Power: 1/12-1/2 HP
Specs	Type: Relay , Voltage: 115V , Horse Power: 1/12-1/2
Brand	Supco

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3-1/2 HP thru 5 HP EM Hardstart

Rated 0 out of 5

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$43.47each

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SKU: TQS2

Product Highlights	Horse Power: 3-1/2 thru 6 HP
Specs	Product Type: Hardstart , Horse Power: 3-1/2 thru 6 , Compressor: Scroll and Recip.
Brand	TorQstart

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Solid-State Hardstart Relay for High Efficiency Compressors (6.8A)

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$18.58each

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SKU: URCO410

Product Highlights	Voltage: 100 to 125 VAC , Horse Power: 1/12 to 1/5 HP
Specs	Type: Relay , Voltage: 100 to 125 VAC , Horse Power: 1/12 to 1/5
Brand	Supco

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Ultra Start Series Hard Start, 189-227 MFD, 1-3 HP (330V)

Rated 0 out of 5

In stock

$36.75each

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SKU: SPR5

Product Highlights	Voltage: 330v , Horse Power: 1-3 HP
Specs	Type: Relay , Voltage: 330v , Horse Power: 1-3
Brand	Supco

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Master Series Hard Start Kit for 1 to 5 HP Compressors

Rated 0 out of 5

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$25.43each

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SKU: HSKT7

Product Highlights	Horse Power: 1 to 5 HP
Specs	Capacitor: 189 – 227 Mfd , Operating Voltage: 90V – 277V , Horse Power: 1 to 5
Brand	Bluefin

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Ultra Start Series High Torque Hard Start, 189-27 MFD, 1-3 HP (330V)

Rated 0 out of 5

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$38.76each

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SKU: MPR5

Product Highlights	Voltage: 330v , Horse Power: 1-3 HP
Specs	Type: Relay , Voltage: 330v , Horse Power: 1-3
Brand	Supco

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1-1/2 HP thru 3-1/2 HP EM Hardstart

Rated 0 out of 5

In stock

$41.12each

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SKU: TQS1

Specs	Product Type: Hardstart , Horse Power: 1-1/2 thru 3-1/2 , Compressor: Scroll and Recip.
Brand	TorQstart

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Ultra Start Series Hard Start, 270-324 MFD, 3.5-5 HP (330V)

Rated 0 out of 5

In stock

$36.30each

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SKU: SPR1

Product Highlights	Voltage: 330v , Horse Power: 3.5-5 HP
Specs	Type: Relay , Voltage: 330v , Horse Power: 3.5-5
Brand	Supco

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Ultimate Series Hard Start Relay, Overload, Start & Run Capacitor, 1/12-1/5 HP, 4.05A RLA (115V)

Rated 0 out of 5

In stock

$16.88each

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SKU: URCO810RC

Product Highlights	Voltage: 115V , Horse Power: 1/12-1/5 HP
Specs	Type: Relay , Voltage: 115V , Horse Power: 1/12-1/5
Brand	Supco

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Snap On Relay/Overload Combo (1/12 – 1/5 HP)

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$9.65each

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SKU: RO81

Product Highlights	Voltage: 115V , Horse Power: 1/5 – 1/12 HP
Specs	Type: Relay , Voltage: 115V , Horse Power: 1/5 – 1/12
Brand	Supco

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Hard Start Kit – Mechanical Potential Relay (MPR) & Start Capacitor

Rated 0 out of 5

In stock

$42.46each

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SKU: MPR1

Product Highlights	Voltage: 208-265V
Specs	Type: Relay , Voltage: 208-265V
Brand	Supco

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Series E Super Boost Hard Start Kit, 130-156 MFD, 1-4 HP (170/277V)

Rated 0 out of 5

In stock

$31.88each

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SKU: SPP7E

Product Highlights	Voltage: 170/277v , Horse Power: 1-4 HP
Specs	Type: Relay , Voltage: 170/277v , Horse Power: 1-4
Brand	Supco

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Ultimate Series Hard Start Relay, Overload, Start & Run Capacitor, 1/3-1/2 HP, 13.3A RLA (115V)

Rated 0 out of 5

In stock

$19.56each

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SKU: URCO210RC

Product Highlights	Voltage: 115V , Horse Power: 1/3-1/2 HP
Specs	Type: Relay , Voltage: 115V , Horse Power: 1/3-1/2
Brand	Supco

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Universal Power Hard Start Relay, 1/20-1/2 HP (115V)

Rated 0 out of 5

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$14.63each

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SKU: URSC10

Product Highlights	Voltage: 115V , Horse Power: 1/20-1/2 HP
Specs	Type: Relay , Voltage: 115V , Horse Power: 1/20-1/2
Brand	Supco

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Snap On Relay/Overload Combo (1/4 – 1/3 HP)

Rated 0 out of 5

In stock

$9.65each

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SKU: RO41

Product Highlights	Voltage: 115V , Horse Power: 1/4 – 1/3 HP
Specs	Type: Relay , Voltage: 115V , Horse Power: 1/4 – 1/3
Brand	Supco

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3W3 Wire Hard Start Kit

Rated 0 out of 5

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$50.98each

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SKU: 3W3

Product Highlights	Voltage: 208-240V , Horse Power: 4-5 HP
Specs	Voltage: 208-240V , Horse Power: 4-5
Brand	Supco

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Hard Start Kit – 300% Torque Multiplier

Rated 0 out of 5

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$16.74each

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SKU: DST-5

Specs	Product Type: Hardstart
Brand	DiversiTech

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Pow-R-Pak Solid State Relay for Hard Starting, 1/2-10 HP (90/277V)

Rated 0 out of 5

In stock

$9.81each

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SKU: SPP

Product Highlights	Voltage: 90/277 VAC , Horse Power: 1/12-1/2 HP
Specs	Type: Relay , Voltage: 90/277 VAC , Horse Power: 1/12-1/2
Brand	Supco

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Easy Start 4 Turbo Universal Hardstart

Rated 0 out of 5

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$77.68each

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SKU: 12600

Product Highlights	MFD: 108-324 MFD , Voltage: 330v , Shape: Round
Specs	Type: Capacitor , MFD: 108-324 , Voltage: 330v , Shape: Round
Brand	MARS

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Ultimate Series Hard Start Relay, Overload, Start & Run Capacitor, 1/4-1/3 HP, 6.8A RLA (115V)

Rated 0 out of 5

In stock

$16.88each

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SKU: URCO410RC

Product Highlights	Voltage: 115V , Horse Power: 1/4-1/3 HP
Specs	Type: Relay , Voltage: 115V , Horse Power: 1/4-1/3
Brand	Supco

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Hard Start Kit – 500% Torque Multiplier

Rated 0 out of 5

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$25.52each

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SKU: DST-6

Specs	Product Type: Hardstart
Brand	DiversiTech

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Solid-State Hardstart Relay (110 to 125VAC)

Rated 0 out of 5

In stock

$17.55each

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SKU: RCO810

Product Highlights	Voltage: 100 to 125 VAC , Horse Power: 1/12 to 1/5 HP
Specs	Type: Relay , Voltage: 100 to 125 VAC , Horse Power: 1/12 to 1/5
Brand	Supco

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1/2 HP thru 5 HP ST Hardstart, 4000 thru 60000 BTU (115-277V)

Rated 0 out of 5

In stock

$9.76each

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SKU: TQS5

Product Highlights	Horse Power: 1/2 thru 5 HP , Voltage: 115-277V , BTU: 4000 thru 60000
Specs	Product Type: Hardstart , Horse Power: 1/2 thru 5 , Voltage: 115-277V , BTU: 4000 thru 60000
Brand	TorQstart

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Ultimate Series Hard Start Relay, Overload & Start Capacitor, 1/3-1/2 HP, 13.3A RLA (115V)

Rated 0 out of 5

In stock

$16.88each

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SKU: URCO210

Product Highlights	Voltage: 115V , Horse Power: 1/3-1/2 HP
Specs	Type: Relay , Voltage: 115V , Horse Power: 1/3-1/2
Brand	Supco

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3W2 Wire Hard Start Kit

Rated 0 out of 5

In stock

$35.63each

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SKU: 3W2

Product Highlights	Horse Power:3-1/2 – 4-12 HP , Voltage: 208-240V
Specs	Horse Power: 3-1/2 – 4-12 , Voltage: 208-240V
Brand	Supco

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Super Seven Wire Hard Start Kit

Rated 0 out of 5

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$22.49each

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SKU: SPP7S

Product Highlights	Horse Power: 1/2 thru 10 HP
Specs	Horse Power: 1/2 thru 10 , Operating Voltage: 90V – 277V
Brand	Supco

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1/2 HP thru 10 HP ST Hardstart, 4000 thru 120000 BTU (115-277V)

Rated 0 out of 5

In stock

$12.90each

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SKU: TQS6

Product Highlights	Horse Power: 1/2 thru 10 HP , Voltage: 115-277V , BTU: 4000 thru 120000
Specs	Product Type: Hardstart , Horse Power: 1/2 thru 10 , Voltage: 115-277V , BTU: 4000 thru 120000
Brand	TorQstart