CMA E-AH-EXT
#6 in Door-typeFull review
A low-temp door-type dishwasher that plugs into a 115 V circuit and has the tallest door here, for kitchens that wash big pots. It trades water use for a low price.
Amazon $5,613$5,613
The CMA E-AH-EXT rates 3.3 among door-type commercial dishwashers; the CMA UC50e rates 2.9 among undercounter ones. The CMA E-AH-EXT costs $258 less ($5,613 vs $5,871).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
CMA UC50e
#10 in UndercounterFull review
A high-temp undercounter dishwasher at 30 racks an hour for small restaurants and cafes. It is a solid middle-of-the-road choice with an unpublished warranty.
Amazon $5,871$5,871
Scores side by side
These two sit in different machine type classes (door-type and undercounter), and each is scored against the reference points for its own class, so a rating says how well each does among its own machine type peers. How we rank explains each factor.
| Factor weight | CMA E-AH-EXT | CMA UC50e |
|---|---|---|
| Overall rating | 3.3/5 | 2.9/5 |
| Value 30% | 76 $140.32 per rack an hour ($5,613, 40 racks/h) | 52 $195.70 per rack an hour ($5,871, 30 racks/h) |
| Throughput 15% | 50 40 racks an hour | 25 30 racks an hour |
| Water use 20% | 49 1 gal per rack | 70 0.8 gal per rack |
| ENERGY STAR 10% | 0 not currently ENERGY STAR certified | 0 not currently ENERGY STAR certified |
| Door opening 10% | 100 20.5 in door opening | 30 13 in door opening |
| Pumps 5% | 50 built-in chemical pumps | 100 built-in chemical pumps, drain pump |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| CMA E-AH-EXT | CMA UC50e | |
|---|---|---|
| Washing | ||
| Type | Door-type | Undercounter |
| Sanitizing | Low-temp (chemical) | High-temp |
| Racks per hour | 40 racks/h | 30 racks/h |
| Shortest cycle | 90 s | 120 s |
| Water per rack | 1 gal | 0.8 gal |
| Door opening | 20.5 in | 13 in |
| Rack size | 20 x 20 in | 20 x 20 in |
| Wash tank | - | 6.9 gal |
| Power | ||
| Electrical | 115 V, 1-phase, 16 A | 208-240 V, 1-phase, 27 A |
| Built-in booster | No | Yes |
| Booster heater | - | 6 kW |
| Tank heater | - | 2.7 kW |
| Wash pump | 1 hp | 0.8 hp |
| ENERGY STAR | No | No |
| Ventless | No | No |
| Features | ||
| Chemical pumps | Yes | Yes |
| Drain pump | - | Yes |
| Build | ||
| Width | 25.8 in | 23.4 in |
| Depth | 25.8 in | 24 in |
| Height | - | 33.3 in |
| Weight | 262 lb | 165 lb |