Rule 1100 GPH Bilge Pump

Product overview

Rule's 1100 GPH (4164 LPH) standard bilge pump: fully submersible and non-automatic, with a built-in thermal cut-off and back-flow prevention, run from a separate float or panel switch. It comes in 12 V (27DA; 27DA-6 with 6 ft leads) and 24 V (27DA-24) versions.

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 1100

Brand

Rule

Rated capacity

1100 GPH (4164 LPH)

Models

27DA (12 V DC); 27DA-6 (12 V DC, 6 ft leads); 27DA-24 (24 V DC)

Operation

Non-automatic; runs from a float or panel switch

Hose

1-1/8 in (29 mm) or 1 in (25 mm)

Size

Height 111 mm (4-3/8 in); width 74 mm (2-7/8 in)

Strainer

Replacement model 1232R

Float switches

Rule 35A, 37A, 40A

Wiring

16 gauge (1.5 mm²), tin-coated

Current draw

27DA: 3.7 A at 12 V. 27DA-24: 1.9 A at 24 V

Fuse

7.5 A (12 V); 4 A (24 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