Little Giant VCMA-20ULST-PRO (554650) — 115 V PRO Series Condensate Pump
The VCMA-20ULST-PRO is part of the PRO series from Little Giant. Operating at 115 V, it includes a factory-installed safety overflow switch and comes with tubing included — making it a premium choice for HVAC, furnace, and condensing boiler installs where protection and ease of install matter.
Key Features & Benefits
- 1/30 HP motor with up to **84 GPH / 1.4 GPM** performance
- Maximum shut-off head of 21 ft
- Includes safety overflow switch for protection against overfill
- Tubing included in the kit (20 ft)
- Compact, slim vertical design for versatile placement
- Built-in check valve and thermally protected motor for reliability
Specifications
| Voltage | 115 V, 60 Hz |
| Full Load Current | 1.5 A |
| Power (Watts) | 93 W |
| Flow Rate | 84 GPH / 1.4 GPM at 1 ft head |
| Shut-off Head | 21 ft (6.4 m) |
| Max Liquid Temperature | 140 °F (60 °C) |
| Discharge | ⅜″ barbed (0.38″) with check valve |
| Dimensions (L × W × H) | 10.2″ × 4.8″ × 6.5″ |
| Weight | 5.5 lbs (approx) |
Model Comparison
| Model / Item | Voltage | Safety Overflow Switch | Tubing Included | Flow @ 1 ft |
|---|---|---|---|---|
| VCMA-20ULST-PRO (554650) | 115 V | Yes | Yes | 84 GPH |
| VCMA-20ULST-PRO-230 (554651) | 230 V | Yes | Yes | 80 GPH |
| VCMA-20ULS-PRO-230 (554631) | 230 V | Yes | No (tubing not included) | 80 GPH |
Common Questions
Q: Does this pump come with tubing?
A: Yes, the 554650 version includes 20 ft of tubing.
Q: What’s the difference between 115 V and 230 V models?
A: The voltage swap changes shut-off head and wattage slightly — e.g. 230 V version has ~80 GPH, ~20 ft head.
Q: Is the safety switch reliable?
A: Yes — it’s factory-installed to prevent overflow if the pump fails or discharge clogs.
Q: Can I mount this pump horizontally?
A: It is designed for vertical positioning; horizontal mounting may affect performance and warranty.
The VCMA-20ULST-PRO balances high performance, safety, and convenience — ideal for demanding installations that require overflow protection and included accessories.