FS-Curtis ML20+ 200G Horiz 20HP Simplex Ultra Pack Air Comp #ML20Plus-HUP
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| Model / Part Number | ML20+ Ultra Pack Simplex |
| Horsepower | 20 HP |
| Tank | 200 Gallon Horizontal ASME |
| Airflow | 79.3 CFM @ 175 PSI |
| Pressure Range | 175 PSI |
| Warranty | 12 months |
FS-Curtis ML20Plus-HUP — 20 HP Air Compressor
A production manager who's had a moisture-related quality issue traced back to condensation in a tank that runs at 79 CFM output all day wants the factory-installed dryer standard, not an afterthought bolted on after the fact.
The FS-Curtis ML20Plus-HUP is a two-stage reciprocating, ultra pack compressor rated for 20 HP with a 200 gallon horizontal ASME tank, built for multi-bay shops and commercial operations that need compressed air on tap all day. The included Ultra Pack — factory-installed automatic tank drain and refrigerated air dryer — handles the tank-draining and moisture-control work in the background, so your crew's attention stays on the job in front of them.
Who the ML20Plus-HUP Is Built For
- ✅ A quality control manager pulled three rejected parts off the line last month and traced every one back to moisture in the same 200-gallon tank — the plant is done gambling on a maintenance tech remembering to drain it manually
- ✅ A facility running the line 16 hours a day found the standard ML20-HUP's 65 CFM wasn't quite keeping pace during the second shift's peak hour, and the C98 pump's extra 14 CFM closed that gap without a full duplex upgrade
- ✅ A plant engineer comparing the ML20Plus-HUP against the standard ML20-HUP ran the actual CFM numbers against the shift's peak draw and picked the higher-output pump specifically because the margin was too thin on the standard unit
- ✅ A facility that had a refrigerated dryer fail mid-production two years ago, costing a full day tracking down the source of a humidity problem, now buys the accessories bundled in rather than as an afterthought
- ✅ A multi-plant operator standardized this exact configuration at its busiest facility after watching a smaller ML20 tier struggle to keep up at a sister site during a demand spike
What the ML20Plus-HUP Is NOT Built For
- ❌ Facilities whose demand is fully covered by the standard ML20-HUP — saves money if 65.1 CFM already covers the load
- ❌ Budget-conscious buyers who don't need the extra accessories yet — the base ML20Plus-SH saves money
- ❌ Facilities needing 120V/240V single-phase power — this unit is three-phase only
What Makes the ML20Plus-HUP Different
Commercial 2-Stage Pump
The ML20Plus-HUP uses a C98, Cast-Iron, Two-Stage pump built for daily, all-day duty cycles — not a hobby-grade single-stage unit that struggles under continuous shop use.
CFM & Pressure Output
With 79.3 CFM @ 175 PSI on tap at up to 175 PSI, there’s enough reserve to run impact wrenches, tire equipment, and paint tools without the compressor struggling to keep pace.
Ultra Pack Upgrades
Includes factory-installed automatic tank drain and refrigerated air dryer — upgrades that reduce maintenance and extend the life of the tank and pump versus a base-model compressor.
Power Requirements
Three-Phase only, 230V/460V options available. Confirm your panel and breaker sizing with an electrician before delivery.
- 79.3 CFM — highest 20 HP output
- Factory air-quality accessories
- High-demand production facilities
- Facilities covered by standard 20 HP
- Single-phase-only electrical
ML20Plus-HUP vs. FS-Curtis ML20-HUP (Standard, 20 HP, Ultra Pack) — Which Compressor Is Right for Your Shop?
| Decision Point | ML20Plus-HUP | FS-Curtis ML20-HUP (Standard, 20 HP, Ultra Pack) |
|---|---|---|
| Horsepower / Tank | 20 HP / 200 Gal Horizontal | 20 HP / 120 Gal Horizontal |
| CFM @ 175 PSI | 79.3 CFM | 65.1 CFM |
| Pump | C98 — higher-output pump platform | C89 — standard pump platform |
| Best fit | Facilities needing the highest CFM available at 20 HP | Facilities where standard 20 HP output is sufficient |
Choose the ML20+ HUP for the highest CFM output available at 20 HP with factory accessories. Choose the standard ML20-HUP if 65.1 CFM already covers your demand — it costs less. Both stay inside Alamo’s catalog — call (844) 480-6059.
Full Specifications — ML20Plus-HUP
| Model / Part Number | ML20+ Ultra Pack Simplex |
| Horsepower | 20 HP |
| Pump | C98, Cast-Iron, Two-Stage |
| Configuration | Two-Stage Reciprocating, Ultra Pack |
| Tank | 200 Gallon Horizontal ASME |
| Airflow | 79.3 CFM @ 175 PSI |
| Pressure Range | 175 PSI |
| Motor / Electrical | Three-Phase only, 230V/460V options available |
| Phase / Hz / Voltage |
Three Phase: 3/60/200-208V (FML20C98H2U-D9L1XX) |
| Ultra Pack Features | factory-installed automatic tank drain and refrigerated air dryer |
| Overall Dimensions | 78" L x 43" W x 76" H |
| Shipping Weight | 2050 lbs |
| Warranty | 12 months |
⚠️ Setup Requirements
- Electrical: Three-Phase only, 230V/460V options available; have an electrician confirm your panel capacity before delivery.
- Floor space: 78" L x 43" W x 76" H footprint; plan clear access on at least two sides for maintenance and tank drain.
- Ventilation: Locate in a dry, ventilated area away from dust and moisture to protect the pump and tank.
- Weight: 2050 lbs shipping weight — confirm your floor/dock can receive and position the unit.
- Setup: Installation is available as a quoted service (piping, electrical tie-in, functional test) — it’s not included in the purchase price. Call (844) 480-6059 for an install quote if you’d like Alamo’s crew to set it up.
FS-Curtis Warranty — ML20Plus-HUP
FS-Curtis backs the ML20Plus-HUP with a 1-year parts-only warranty.
| Component | Coverage Term |
|---|---|
| Tank & pump | 1 year parts |
| Motor & electrical components | 1 year parts |
| Ultra Pack accessories (auto tank drain, refrigerated air dryer) | 1 year parts |
| Wear items (belts, filters, gaskets) | Not covered (consumable) |
Warranty service is through Alamo Equipment & Service — call (844) 480-6059 instead of waiting on a manufacturer hotline. Coverage is subject to FS-Curtis warranty terms, conditions, and requirements.
Frequently Asked Questions — FS-Curtis ML20Plus-HUP
Why Buy the ML20Plus-HUP from Alamo Equipment & Service?
- Installation available. Buying online gets you the compressor — piping and electrical tie-in are an extra-charge service. We have the crews to install it and can quote that separately; call (844) 480-6059 for a quote.
- We service it. These compressors need preventative maintenance up to 4x a year per the manufacturer — oil changes, belt and air filter checks, contactor and electrical inspection. Call (844) 480-6059 for maintenance, repairs, or support — and if you ever need warranty work, we register your equipment with the manufacturer and handle the claim directly, so you’re not stuck navigating vendor support on your own.
- We size it with you. 20 HP, a 200 gallon horizontal ASME tank, 79.3 CFM @ 175 PSI — we’ll confirm this matches your shop’s actual air draw before you order.
- Free shipping. Ships free to the 48 contiguous states.
- Expert comparison help. Not sure if the ML20Plus-HUP or the FS-Curtis ML20-HUP (Standard, 20 HP, Ultra Pack) is the better fit? We’ll walk you through it.
A shop buying from a pure e-commerce retailer gets a box. A shop buying from Alamo gets a partner.
Shipping Rates and Delivery Estimates: Shipping is FREE to the 48 contiguous United States.
Shipment Processing Time: All orders are processed within [2–3] business days of receipt, excluding weekends and holidays. Orders are not processed or shipped from Friday at 12 pm CST through Sunday or on holidays. During periods of high order volume, shipments may be delayed by a few days. Customers will be notified via email or phone in the event of significant delays.
See the attached document for FS CURTIS WARRANTY