Little Giant GP Series grinder pumps from Franklin Electric operate across 208 to 230 volts. The GP-A (automatic) and GP-M (manual) models are designed to handle low-pressure sewage applications and feature a cutter system that operates at 414,000 cuts per minute. Other features include a nonclogging, corrosion-resistant brass impeller, a shut-off head of 130 feet, and a single-phase, capacitor start/run motor with built-in overload protection. 260/824-2900; www.littlegiant.com.
