Home › Capacitors

Capacitors

Run and start capacitors for HVAC and refrigeration systems. Shop single and dual-run capacitors in 370/440V, plus hard-start kits, from Alltek, Supco, and more — matched to the exact MFD rating and voltage your unit needs.

New to sizing one? Read our capacitor sizing & replacement guide →

22 products

Alltek 70+5 MFD 370/440V dual round run capacitor for HVAC condensing units

AlltekAlltek 70+5uf 370-440V HVAC Dual Round Run Capacitor

$8.68

Alltek 145-175 MFD 110/125V UL certified motor start capacitor for HVAC compressors

AlltekAlltek 145-175 MFD 110-125V Motor Start Capacitor UL Certified

$7.99

Alltek 108-130 MFD 110/125V UL certified motor start capacitor for HVAC compressors

AlltekAlltek 108-130 MFD 110-125V Motor Start Capacitor UL Certified

$7.89

Alltek 189-227 MFD 110/125V UL certified motor start capacitor for HVAC compressors

AlltekAlltek 189-227 MFD 110-125V Motor Start Capacitor UL Certified

$7.99

Alltek 270-324 MFD 110/125V UL certified motor start capacitor for HVAC compressors

AlltekAlltek 270-324 MFD 110-125V Motor Start Capacitor UL Certified

$7.99

Alltek RCO410 ALHS410 relay overload capacitor for refrigeration compressors

AlltekAlltek RCO410/ ALHS410 Relay Overload Capacitor

$11.42

Alltek 324-388 MFD 110/125V UL certified motor start capacitor for HVAC compressors

AlltekAlltek 324-388 MFD 110-125V Motor Start Capacitor UL Certified

$7.99

Sale

Supco SPP6 hard start kit compressor booster for air conditioner start assist

SupcoHard Start Kit Supco SPP6 – HVAC Compressor Booster, AC Start Assist

$11.16$15.20

Supco URCO410 universal relay overload capacitor for refrigeration compressors

SupcoSupco URCO410 Relay Overload Capacitor

$15.14

Supco RCO810 relay capacitor overload hard start device for compressors

SupcoSupco RCO810 Relay Capacitor Overload

$14.10

FREE SHIPPING — Orders $50 when you sign in or sign up for an account.

Your cart is empty

Your cart

ORDER SPECIAL INSTRUCTIONS

DISCOUNT

Subtotal

Capacitors

Capacitors