Furnace and AC · Little Giant

Little Giant VCMA-20ULS Condensate Pump

The higher-lift Little Giant

Updated October 2026

Quick verdict

The step up when 15 ft isn't enough.

Strength
More lift and flow than the VCMA-15.
Trade-off
Larger draw than the 15.
Right buyer
Attic air handlers and long drain runs.
Horsepower
1/30 HP
Max flow (maker)
1.33 GPM
Max head / lift (maker)
20 ft
Voltage
115 V
Power cord
6' cord
Power source
Corded Electric
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Why it matters

The VCMA-20 series steps up to a 1/30 HP motor, which lifts water to 20 ft and moves up to 80 GPH. That margin matters for attic air handlers, second-floor drain points or long horizontal tubing runs that add friction.

Like the VCMA-15, it uses a vertical-type switch to keep the footprint small, takes condensate to 140 F and includes the overflow detection switch for shutting down the appliance.

Who it's for, and who should skip it

Good fit if

  • Higher lifts
  • Long tubing runs
  • High-efficiency furnaces with AC

Look elsewhere if

  • Sump pits or basement flooding
  • Lifts above the maker's maximum
  • Owners who won't clean it twice a year

Pros and cons

Pros

  • 20 ft head
  • 80 GPH
  • Overflow switch included

Cons

  • Draws more power than the VCMA-15
  • Tubing not included
  • Wiring needed for the switch

Limitations to weigh

  • Wiring the safety switch to your furnace or air handler needs basic electrical knowledge; hire a technician if unsure.
  • Clean the tank, float and check valve every six months or so; algae and slime cause most condensate pump failures.

Specifications

Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.

MaterialAcrylonitrile Butadiene Styrene (ABS)Retailer
Dimensions (seller)11"L x 5"W x 7"HRetailer
Product weight4.1 lbRetailer
Max flow (maker)1.33 GPMRetailer
Max head / lift (maker)20 ftRetailer
Voltage115 VRetailer
Horsepower1/30 HPRetailer
Model number554425Retailer
Warranty1 year manufacturerRetailer
Power cord6' cordRetailer

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Final verdict

Choose it when the drain is high or far away.

Where to buy

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Prices change often; the button shows today's price.

Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure

Questions buyers ask

How high does the VCMA-20ULS pump?
Up to 20 ft, per the listing.
What's its flow?
Up to 80 GPH (1.33 GPM).