The 12 v inline circulation pump has five selectable speeds, noise-reducing composite construction and integral overheat protection, with a vortex motor. effectively replaces the 2928-420 12 v, 2750-405 230 v and 3010-508 12 v pumps. all previous pumps. it runs off the 12 v supply from the vehicle/leisure battery or inverter, drawing 0.2–1.9 a. it can also be used with underfloor heating or large, complex heating circuits, and is suitable for all year round use. • Integrated overheat protection • Five selectable speeds • Quieter and longer service life
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