Little Giant VCMA-15ULS condensate pump 65 GPH — 1/2‑gal tank, overflow detection, 6‑ft cord

The Little Giant VCMA-15ULS is a compact automatic condensate removal pump that reliably collects and evacuates water from air conditioners, dehumidifiers, furnaces and refrigeration equipment.

Compact yet durable, this vertical-style condensate pump is built to move up to 65 gallons per hour while protecting HVAC and refrigeration equipment from unwanted water buildup. The VCMA-15ULS blends a half-gallon collection reservoir with a thermal-protected motor, stainless steel shaft, and an adjustable overflow detection switch so you can either trigger an alarm or shut down connected equipment when water reaches a critical level. CSA certified for U.S. and Canadian use, it ships with a removable packing insert and a six-foot power cord for flexible placement.

How much condensate can the VCMA-15ULS handle?

This unit pumps up to 65 gallons per hour at a one-foot discharge head and shuts off at approximately 15 feet of lift. It has a 1/2-gallon collection tank for intermittent loads and a 1/50 horsepower motor that balances flow with compact size.

• 65 GPH pumping capacity at 1' lift
• 1/2-gallon tank for short-term collection
• 15' shut-off height and up to 6.5 PSI maximum pressure

What safety and durability features are included?

The VCMA-15ULS is engineered for long service life with corrosion-resistant and thermally protected components. A stainless steel motor shaft and ABS housing resist wear, while built-in thermal overload protection reduces the risk of motor damage from overheating.

• Stainless steel shaft for corrosion resistance
• ABS tank, motor cover and volute for durable, lightweight construction
• Motor with thermal overload protection to guard against overheating

How does the overflow detection switch work and what can it do?

An integrated overflow detection switch monitors tank level and can be wired to either stop connected equipment or to activate an external alarm. Basic wiring skills are recommended to configure the switch for shutdown or alarm-only operation.

• Switch can cut power to HVAC/dehumidifier or trigger an alarm (alarm not included)
• Snap-action switch design for consistent level sensing
• Requires simple wiring to choose desired response behavior

What should I know before installing or operating this pump?

Installation is straightforward but follow two important steps: remove the cardboard shipping insert marked "REMOVE" before first use, and ensure discharge tubing is free of kinks or blockages. The unit includes three inlet openings to accept multiple condensate sources.

• Remove shipping insert to prevent overflow during operation
• Use unobstructed 3/8" OD discharge tubing and check for kinks
• Three 1-1/8" inlet openings—two fitted with removable covers

Who is this pump best suited for? Installers, HVAC technicians, building managers and homeowners who need a compact, dependable condensate removal solution for air conditioners, dehumidifiers, high-efficiency furnaces, condensing boilers, or refrigeration systems will find the VCMA-15ULS an efficient choice. Its modest footprint, CSA compliance, and overflow detection make it well suited to residential and light-commercial applications where reliable automatic drainage and basic safety controls are required.