Description
Jabsco Q301J-115S-3A Par-Max HD3 is a 12V on-demand marine freshwater delivery pump with a four-chamber diaphragm and integrated pressure switch. Its rated 3 GPM is the open-flow output, while 40 PSI is the automatic switch cut-off, not a simultaneous 3 GPM at 40 PSI.
Exact-Model Specifications
- 12V DC, 3 GPM open flow and 40 PSI pressure-switch cut-off.
- Self-primes up to 8 ft dry; internal bypass and thermal motor protection.
- Quick-connect pump ports; includes two straight 1/2-inch hose-barb fittings and a 40-mesh inline strainer.
- Up to 8A draw at 40 PSI; 15A fuse recommended (fuse not supplied).
- Wetted diaphragm is Santoprene with EPDM check valves; max fluid temperature 140 F (60 C).
Confirm the electrical circuit, hose fittings and expected water demand before installation. The pump is intended for intermittent service in compatible marine freshwater systems; use the manufacturer's instructions when wiring and plumbing it.
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