SPP6 Hard Start Capacitor for AC Compressor 120-288V AC(PTC,1/2 Thru 10 H.P.) Compatible with Su-pco Relay Increases Compressor - 500% Increase Starting Torque by TOMOON
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The SPP6 Hard Start Capacitor for AC Compressor 120-288V AC(PTC,1/2 Thru 10 H.P.) Compatible with Su-pco Relay Increases Compressor - 500% Increase Starting Torque by TOMOON is a category leader on buyer feedback in the tools & maintenance category, priced around $12.49, rated 4.8★ across 46 verified Amazon reviews. A confident buy for most shoppers in this category.
SpecPicks Verdict
SpecPicks classifies SPP6 Hard Start Capacitor for AC Compressor 120-288V AC(PTC,1/2 Thru… as a category leader on buyer feedback in the tools & maintenance category, based on 46 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. TOMOON's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for tools & maintenance of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.8★ average across customer reviews
- ✓ Backed by TOMOON's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- HARD START KIT: PTC relay capacitors increase torque by 500%, saving aging compressors from failure to start - intermittent starting - noisy compressors.Helps reduce current start time and improve overall efficiency
- WIDE RANGE:Replacement parts SPP6,TJ90HS6,AP4502872,35702,DST-6,ERPP6,HS6,HS650.For use on PSC type compressor starter motors rated 115-288, 1/2 to 10HP,such as refrigeration compressors,heat pumps,refrigerators,heavy-duty frequent start motors
- SPP6 CAPACITY UPGRADE 1: Adopting edge-thickened metallized zinc-aluminum film as electrode dielectric and internal components wrapped with epoxy resin, it has good overload capacity, stable performance and high insulation resistance
- SPP6 CAPACITY UPGRADE 2: Hard start kit spp6 hard start capacitor is made of PBT plastic case, which has the advantages of high temperature resistance, fast heat dissipation and mois-ture resistance. Different from the cheap hard start capacitor
- SPP6 CAPACITY UPGRADE 3: Adopting thickened copper lead wire, it is not easy to oxidize and has stable operation.Hard start kit ac capacitor has the advantages of small size, light weight, low loss and good electrical performance
- TWO-WIRE INSTALLATION: The motor spp6 start capacitor and PTC thermistor are wired in series with no complicated wiring. Be sure to disconnect all power sources before beginning service on the boost relay and hard start capacitor spp6
Full Specifications
| Brand | TOMOON |
|---|---|
| Model | spp6 hard start capacitor for ac |
| Shape | Rectangular |
| Material | Acrylonitrile Butadiene Styrene (ABS), Copper |
| Item Shape | Rectangular |
| Unit Count | 1.0 Count |
| Part Number | SPP6 hard start kit for air conditioner |
| Material Type | Acrylonitrile Butadiene Styrene (ABS), Copper |
| Mounting Type | Snap-In Mount |
| Connection Type | Wired |
| Operating Voltage | 288 Volts |
| Included Components | SPP6 hard start kit for air conditioner 1pack |
Ready to buy?
SPP6 Hard Start Capacitor for AC Compressor 120-288V AC(PTC,1/2 Thru 10 H.P.) Compatible with Su-pco Relay Increases Compressor - 500% Increase Starting Torque by TOMOON is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.