Cal Pump MS-580-20-2B Marine Circulation Pump, 580 GPH, 230V
The Cal Pump MS-580-20-2B is a 580 GPH centrifugal marine circulation pump built with a stainless steel and bronze body, wired for 230V 50/60Hz power with a 20 foot cord.
It's rated for fresh or salt water up to 110°F and can be used with marine AC units up to 24,000 BTU, running either submersed or in open air.
Key Features
- Stainless steel and bronze body for corrosion resistance in a marine environment
- 3/4" male NPT inlet and 1/2" male NPT outlet with a Viton seal
- Runs submersed or in open air, rated for fresh or salt water up to 110°F
- Includes 2 nylon mounting brackets
Applications
- Raw-water circulation for marine air-conditioning systems up to 24,000 BTU
- General fresh or salt water circulation duty on board
- Replacing a worn or failed 580 GPH, 230V Cal Pump circulation pump
Specifications
- Type: Centrifugal circulation pump
- Flow: 580 GPH
- Voltage: 230V, 50/60Hz
- Cord Length: 20 ft
- Inlet: 3/4" male NPT
- Outlet: 1/2" male NPT
- Seal: Viton
- Body: Stainless steel and bronze
- Max Water Temp: 110°F
- Certifications: UL, CE, ABYC, USCG
- MPN: MS-580-20-2B
Frequently Asked Questions
Q: Can this pump run dry or in open air?
Yes — it can run either submersed or in open air, unlike pumps that require full submersion for cooling.
Q: What size AC unit is this pump rated for?
It can be used with marine AC units up to 24,000 BTU at its 580 GPH flow rate.