Red Lion RL-SC50V — 1/2 HP Cast Iron Sump Pump with Vertical Float

The Red Lion RL-SC50V is a durable cast-iron sump pump designed for reliable basement drainage in residential applications. Its vertical float switch makes it ideal for compact or narrow sump pits, providing automatic operation with dependable on/off activation to protect homes from rising water.

Key Features & Benefits

• Vertical float switch for smaller sump pits and consistent cycling.
• 1/2 HP motor delivers powerful residential drainage.
• Cast iron construction for long-lasting durability and quiet operation.
• Up to 3200 GPH for fast, effective water removal.
• Thermoplastic impeller for efficient pumping and corrosion resistance.

Applications

• Basement and crawlspace sump systems
• Emergency flood prevention
• Residential drainage from sump pits

Specifications

Model / Item #	RL-SC50V
Horsepower	1/2 HP
Max Flow	3200 GPH
Discharge Size	1-1/2" FNPT
Switch Type	Vertical Float
Construction	Cast Iron Housing / Thermoplastic Impeller
Voltage	115V

 

Performance — GPM by Head

Head (FT)	GPM Output
0 ft	53 GPM
5 ft	48 GPM
10 ft	40 GPM
15 ft	25 GPM
20 ft	0 GPM (shutoff)

 

Model Comparison

Model	Float Type	Best For	Buyer Recommendation
RL-SC50V	Vertical Float	Small/compact pits	Choose if space is limited and you want precise switching
RL-SC50T	Tether Float	Larger pits	Choose if you want longer pump cycles and fewer starts

 

Common Questions

Q: What size sump pit is recommended?
A: The RL-SC50V works best in compact pits where a tether float won’t fit.

Q: Can this pump run automatically?
A: Yes — the vertical float provides automatic on/off operation.

Q: Is the housing cast iron?
A: Yes, for quiet operation and long-term durability.

Q: What is the shutoff head?
A: 20 ft total dynamic head (TDH).

 

The RL-SC50V is the best choice for compact sump pits, providing dependable automatic drainage with strong 1/2 HP performance.