Rule 3700 Bilge Pump

Product overview

The Rule 3700 is a non-automatic submersible bilge pump rated at 3700 GPH (14010 LPH), with a 1-1/2 in (38 mm) hose outlet, built in 12 V, 24 V and 32 V DC versions. It runs from a separate float or panel switch.

Part of Pumps & Plumbing: Rule bilge pumps and float switches; Jabsco water pressure and washdown pumps and a manual marine toilet.

Key specifications

Model

Rule 3700

Brand

Rule

Rated capacity

3700 GPH (14010 LPH)

Models

14A (12 V DC); 14A-6UL (12 V DC, UL listed, 6 ft leads); 13A (12 V DC, Gold series, 6 ft leads); 16A (24 V DC); 15A (32 V DC)

Operation

Non-automatic; runs from a float or panel switch

Hose

1-1/2 in (38 mm)

Size

Height 184 mm (7-1/4 in); width 124 mm (4-7/8 in)

Flow by head

3000 GPH (11355 LPH) at 0 m; 2300 GPH (8705 LPH) at 1 m; 2050 GPH (7760 LPH) at 2 m

Strainer

Replacement model 279

Float switches

Rule 37A, 40A

Fuse

25 A (12 V); 15 A (24 V); 10 A (32 V)

Current draw

15.5 A at 12 V; 6.9 A at 24 V; 5.0 A at 32 V

Figures as published by Rule (the maker’s page), checked 7 October 2026. Say the model and voltage you need with your quote.

Downloads

• MM Techno Plast catalogue 2026PDF, 7.9 MB, after a short formDownload