CMP Generic 17-1/4" Plastic SR Smith Swan Tread [White] (25562-000-000) plugs and this Herga Electric version

and this Herga Electric version is a threaded SPDT latch model rated at 20 amps using the 59-345-3500 reference

For larger pool

A timer motor helps drive the dial in a compatible mechanical timer

Helps maintain reliable patch and fill performance

CMP Generic 17-1/4" Plastic SR Smith Swan Tread [White] (25562-000-000) plugs and this Herga Electric versionThe CMP generic plastic swan tread is designed for compatible S. R. Smith style ladder applications where a 17 1 4 inch replacement tread is needed. A ladder tread is useful because it gives swimmers a stable step surface for entering and exiting the pool more safely and comfortably. This replacement is especially useful when the original tread is cracked, brittle, faded, or worn smooth from use and weather exposure. Matching the correct white 17 1 4