Buying Guide
6 Best Soft Start For Coleman RV AC in 2026: A Practical RV Guide
Soft starts for Coleman-Mach RV air conditioners compared on listed model fit, install effort and price, including 1497-3601 style kits.
By Hardcastle's RV Editors
10 min read6 products evaluated
Coleman-Mach rooftop air conditioners dominate the RV market, and several soft start kits name the 450XX to 482XX series directly. The listings that name those series, or use the 1497-3601 part number, give a clearer fit than a generic universal kit.
The picks run from about 50 to 130 dollars. They show which kits name the series, which cover many brands and what to check on the AC's own model plate.
Hardcastle’s RV field notes
The Rig Fit Check
A quick way to connect the shortlist to the space, workload and ownership details that matter after the box arrives.
- Start with the job
- JBphxior Soft Start RV AC kit fit for Coleman Mach 450XX/ 452XX/ 470XX/ 472XX/ 480XX/ 482XX-Series Air Conditi leads this shortlist for Coleman-Mach 450XX to 482XX. Use that fit as a reference point, then compare the alternatives against your own space and workload.
- Specs that separate the picks
- The first details to compare are Fits Coleman-Mach 450XX to 482XX, Covers 70+ RV AC models, 1497-3601 Coleman-Mach fit. Confirm the exact model and included components before ordering.
- Trade-off to plan for
- Fits only the listed Coleman series
The Practical Shortlist
A road-tested-thinking look at 6 options, organized around the job each one suits best.
Best Overall
JBphxior Soft Start RV AC kit fit for Coleman Mach 450XX/ 452XX/ 470XX/ 472XX/ 480XX/ 482XX-Series Air Conditi
Coleman-Mach 450XX to 482XX
Our take Check price for JBphxior Soft Start RV AC kit fit for Coleman Mach 450XX/ 452XX/ 470XX/ 472XX/ 480XX/ 482XX-Series Air Conditi (opens in a new tab)
Best Multi-Brand
Polar Start RV Air Conditioner Soft Start Kit with Hardware
Mixed AC brands
Our take Check price for Polar Start RV Air Conditioner Soft Start Kit with Hardware (opens in a new tab)
Best Install
XINMANG RV AC Soft Start 1497-3601 Compatible with Coleman-Mach 450XX 452XX 470XX 472XX 480XX 482XX Series
Fast novice install
Our take Check price for XINMANG RV AC Soft Start 1497-3601 Compatible with Coleman-Mach 450XX 452XX 470XX 472XX 480XX 482XX Series (opens in a new tab)
Best Efficiency Claim
1497-3601 RV AC Capacitor Soft Start Control Kit Fit for Coleman Mach 452XX/ 450XX/ 472XX/ 470XX/ 482XX/ 480XX
Lower power use
Our take Check price for 1497-3601 RV AC Capacitor Soft Start Control Kit Fit for Coleman Mach 452XX/ 450XX/ 472XX/ 470XX/ 482XX/ 480XX (opens in a new tab)
Best OEM Replacement
Soft Start Control Kit 1497-3601 for RV Air Conditioner for Coleman Mach
Replacing the OEM part
Our take Check price for Soft Start Control Kit 1497-3601 for RV Air Conditioner for Coleman Mach (opens in a new tab)
Best Budget
CRAPOZ RV AC Soft Start Control Kit 1497-3601 for Coleman Mach
buyers comparing capacity, compatibility, included components and storage needs
Our take Check price for CRAPOZ RV AC Soft Start Control Kit 1497-3601 for Coleman Mach (opens in a new tab)
Why Each Pick Made the Cut
Best Overall1 of 6
JBphxior Soft Start RV AC kit fit for Coleman Mach 450XX/ 452XX/ 470XX/ 472XX/ 480XX/ 482XX-Series Air Conditi on Amazon (opens in a new tab)
JBphxior Soft Start RV AC kit fit for Coleman Mach 450XX/ 452XX/ 470XX/ 472XX/ 480XX/ 482XX-Series Air Conditi is the better fit when coleman-Mach 450XX to 482XX.
Best for
- Coleman-Mach 450XX to 482XX
Why it made the shortlist
The JBphxior kit is designed specifically for Coleman-Mach 450XX, 452XX, 470XX, 472XX, 480XX and 482XX series air conditioners. The JBphxior kit is designed specifically for Coleman-Mach 450XX, 452XX, 470XX, 472XX, 480XX and 482XX series air conditioners.
It costs about 30 dollars less than the Polar Start and cuts starting current by 75 percent.
It reduces the compressor's starting current by 75 percent and cuts noise and vibration at startup. It suits owners who want a kit that names their series and states a 75 percent cut.
Key dimensions & specs
- Fits Coleman-Mach 450XX to 482XX
- Cuts starting current 75%
- Reduces compressor noise
Pros
- Made for Coleman-Mach series
- Cuts starting current 75%
- Reduces compressor thump
Cons
- Fits only the listed Coleman series
Best Multi-Brand2 of 6
Polar Start RV Air Conditioner Soft Start Kit with Hardware on Amazon (opens in a new tab)
Choose Polar Start RV Air Conditioner Soft Start Kit with Hardware for install guide included.
Best for
- Mixed AC brands
Why it made the shortlist
The Polar Start soft starter kit includes hardware and an installation guide covering over 70 models of RV air conditioners. The Polar Start soft starter kit includes hardware and an installation guide covering over 70 models of RV air conditioners.
Compatible makes include Dometic, Coleman (Airxcel), Houghton Belaire and GE, and it can start two air conditioners on 30 amps. It costs the most of the six.
Compatible makes include Dometic, Coleman (Airxcel), Houghton Belaire and GE, and it can start two air conditioners on 30 amps. It suits owners who may swap AC brands or run two units.
Key dimensions & specs
- Covers 70+ RV AC models
- Hardware included
- Starts two ACs on 30 amp
Pros
- Install guide included
- Covers over 70 RV AC models
- Hardware included
- Starts two ACs on 30 amp
Cons
- Costs the most of the six
- Generic, not Coleman-specific
Best Install3 of 6
XINMANG RV AC Soft Start 1497-3601 Compatible with Coleman-Mach 450XX 452XX 470XX 472XX 480XX 482XX Series on Amazon (opens in a new tab)
XINMANG RV AC Soft Start 1497-3601 Compatible with Coleman-Mach 450XX 452XX 470XX 472XX 480XX 482XX Series makes the shortlist because novice install in 20 minutes.
Best for
- Fast novice install
Why it made the shortlist
The XINMANG kit is tailored to Coleman-Mach 450XX to 482XX series with the 1497-3601 part number. The XINMANG kit is tailored to Coleman-Mach 450XX, 452XX, 470XX, 472XX, 480XX and 482XX series with the 1497-3601 part number.
The listing says a novice can install it in about 20 minutes and that it is weather sealed. It costs the same as the CCNLHZM.
The listing says a novice can install it in about 20 minutes and that it is weather sealed. It suits first-time installers who want a quick fit.
Key dimensions & specs
- 1497-3601 Coleman-Mach fit
- 20 minute novice install
- Weather sealed
Pros
- Novice install in 20 minutes
- Weather sealed
- Fits Coleman-Mach 450XX to 482XX
Cons
- Brand not well known
- Thin spec detail
Best Efficiency Claim4 of 6
1497-3601 RV AC Capacitor Soft Start Control Kit Fit for Coleman Mach 452XX/ 450XX/ 472XX/ 470XX/ 482XX/ 480XX on Amazon (opens in a new tab)
The strongest case for 1497-3601 RV AC Capacitor Soft Start Control Kit Fit for Coleman Mach 452XX/ 450XX/ 472XX/ 470XX/ 482XX/ 480XX is fits Coleman-Mach 450XX to 482XX.
Best for
- Lower power use
Why it made the shortlist
The CCNLHZM kit is a 1497-3601 soft start control kit that reduces inrush amperage up to 75 percent and lessens overall power consumption. The CCNLHZM kit is a 1497-3601 soft start control kit for Coleman 450XX, 452XX, 470XX, 472XX, 480XX and 482XX air conditioners.
It uses semiconductor materials to cut instantaneous current. It costs the same as the XINMANG.
It reduces inrush amperage up to 75 percent and uses semiconductor materials to cut instantaneous current. It suits owners who want the 75 percent figure at a low price.
Key dimensions & specs
- 1497-3601 for Coleman-Mach
- Inrush cut up to 75%
- Semiconductor-based design
Pros
- Fits Coleman-Mach 450XX to 482XX
- Inrush cut up to 75%
- Lowers total power use
Cons
- Thin install detail
- Brand not well known
Best OEM Replacement5 of 6
Soft Start Control Kit 1497-3601 for RV Air Conditioner for Coleman Mach on Amazon (opens in a new tab)
Soft Start Control Kit 1497-3601 for RV Air Conditioner for Coleman Mach is the better fit when replacing the OEM part.
Best for
- Replacing the OEM part
Why it made the shortlist
The XHEIN kit is a Soft Start Control Kit 1497-3601 that replaces the OEM part for Coleman-Mach 450XX to 482XX air conditioners. The XHEIN kit is a Soft Start Control Kit 1497-3601 that replaces the OEM part for Coleman-Mach 450XX to 482XX air conditioners.
It reduces peak starting power to minimize surges. It costs about 6 dollars more than the CRAPOZ.
It reduces peak starting power to minimize surges that trip circuit breakers. It suits owners who want to match the OEM part number.
Key dimensions & specs
- Replaces OEM 1497-3601
- Fits Coleman-Mach 450XX to 482XX
- Reduces peak starting power
Pros
- Smart capacitor design
- Replaces the OEM 1497-3601 part
- Fits Coleman-Mach 450XX to 482XX
- Reduces peak starting power
Cons
- Thin install detail
- Brand not well known
Best Budget6 of 6
CRAPOZ RV AC Soft Start Control Kit 1497-3601 for Coleman Mach on Amazon (opens in a new tab)
Choose CRAPOZ RV AC Soft Start Control Kit 1497-3601 for Coleman Mach for inrush cut up to 75%.
Best for
- buyers comparing capacity, compatibility, included components and storage needs
Why it made the shortlist
The CRAPOZ kit is a 1497-3601 soft start control kit that cuts inrush current by up to 75 percent in a flame-retardant, dustproof ABS housing. The CRAPOZ kit is a 1497-3601 soft start control kit for Coleman Mach 450XX, 452XX, 470XX, 472XX, 480XX and 482XX series.
It undercuts every other pick here. It names the same Coleman Mach series as the other 1497-3601 kits.
A flame-retardant, dustproof ABS housing and up to 75 percent less inrush current make it a clean fit for a Coleman rooftop unit. It suits budget buyers with a listed Coleman-Mach series.
Key dimensions & specs
- 1497-3601 for Coleman Mach
- Inrush cut up to 75%
- Flame-retardant ABS housing
Pros
- Inrush cut up to 75%
- Fits Coleman Mach 450XX to 482XX
- Flame-retardant ABS housing
Cons
- Brand not well known
- Thin install detail
How We Built This Shortlist
Each pick was assessed across 5 criteria weighted for real-world use.
- Series fit
- Listed Coleman-Mach series, such as 450XX to 482XX, were compared.
- Part number
- 1497-3601 kits were compared with generic kits.
- Inrush cut
- Stated reduction, often up to 75 percent, was compared.
- Install effort
- Install time and included hardware were compared.
- Price
- Prices from 50 to 130 dollars were compared.
What Matters Before You Choose a Soft Start For Coleman RV AC
Key buying criteria so you get the right fit the first time.
Find your model plate
Check the AC's model plate for the series number, for example 450XX or 482XX. A kit that names that series gives a more certain fit. If the model is not listed, ask the seller.
The 1497-3601 part number
Several kits use the 1497-3601 number, which is the soft start control kit for those series. Check that the number is in the title. Kits without it may be generic.
Stated inrush reduction
Many listings cite up to 75 percent. Others do not state a percent. Look for the figure.
Install time
A novice install in about 20 minutes is a stated claim on one listing. Others give less detail. Check whether instructions or videos are included.
Multi-brand vs series-specific
A multi-brand kit like the Polar Start covers more models. A series-specific kit is cheaper. Choose by how sure you are of your model.
Match a Soft Start For Coleman RV AC to Your RV
By Fit Certainty
| Your situation | Recommended pick | Why |
|---|---|---|
| Series named, 75% cut | JBphxior Coleman | Names the 450XX to 482XX series. |
| Mixed brands | Polar Start | 70+ models covered. |
| Fast install | XINMANG 1497-3601 | About 20 minutes claim. |
| OEM match | XHEIN 1497-3601 | Replaces the OEM part. |
| Lowest cost | CRAPOZ 1497-3601 | Cheapest 1497-3601 kit. |
Scroll sideways to see every column.
By Budget
| Budget | Recommended pick |
|---|---|
| $40 to $60 | CRAPOZ 1497-3601 or XINMANG 1497-3601 |
| $50 to $60 | CCNLHZM 1497-3601 or XHEIN 1497-3601 |
| $90 to $130 | JBphxior Coleman or Polar Start |
Series-Specific vs Multi-Brand
- Series-specific
- Names the Coleman-Mach series and costs less, as with the JBphxior Coleman, XINMANG 1497-3601, CCNLHZM 1497-3601, XHEIN 1497-3601 and CRAPOZ 1497-3601.
- Multi-brand
- Covers many AC brands and two units, as with the Polar Start.
Most buyers should pick the JBphxior Coleman, and the Polar Start only for mixed brands.
By Budget
| Budget | Recommended pick |
|---|---|
| Under 55 dollars | CRAPOZ 1497-3601 |
| 55 to 60 dollars | XHEIN 1497-3601 |
| 95 to 105 dollars | JBphxior Coleman |
| Above 125 dollars | Polar Start |
For a Coleman-Mach 450XX to 482XX Specifically
- Look for
- The exact series in the title and the 1497-3601 part number.
- In this comparison
- The JBphxior Coleman lists those series, and the XINMANG 1497-3601 adds a quick install.
When to Spend More
- Spend more if
- Spend more on the JBphxior Coleman or Polar Start for clearer fit or multi-brand coverage.
- Save if
- Save with the CRAPOZ 1497-3601 or XINMANG 1497-3601.
Before You Bring One Home
Which Coleman-Mach series do these fit?
The listings name 450XX, 452XX, 470XX, 472XX, 480XX and 482XX. Check your AC's model plate.
What mistake do buyers make?
They buy without checking the model. Confirm the series first.
Is the Polar Start worth the premium?
Only for mixed brands or two units. Otherwise the JBphxior is cheaper.
How do I install it?
Turn off power, follow the instructions and mount the unit. Test with the AC running.
Is the 1497-3601 the same as the OEM part?
The XHEIN says it replaces OEM 1497-3601. Others use the number as a fit. Check the listing.
Bottom Line
Best overall: JBphxior Soft Start RV AC kit fit for Coleman Mach 450XX/ 452XX/ 470XX/ 472XX/ 480XX/ 482XX-Series Air Conditi — best overall pick in this roundup. See the full verdicts above for every pick, with pros, cons and who each one suits.
Browse all soft start for coleman rv ac on Amazon — Prime-eligible options with current pricing.