Zodiac Laars HI-E2 Indoor Vent Collar (R0307900) impellers In larger plumbing systems

In larger plumbing systems

Helps restore intended filtration surface support

Wire harnesses provide organized electrical connections between controls

Helps support and stabilize the filter assembly

Extends reach between topside and control pack

Zodiac Laars HI-E2 Indoor Vent Collar (R0307900) impellers In larger plumbing systemsZodiac Laars HI E2 Indoor Vent Collar (R0307900) is a targeted replacement part for pool and spa heater service, built for service situations where fit and system compatibility matter. The part is especially valuable when symptoms point to the exact component rather than a full system failure. It supports proper vent connection in indoor heater installations where exhaust routing must be handled carefully. This replacement helps restore dependable