Mersen Time Delay Fuse [20A, Class G, 600V] (AG20) kingtechnology Useful when the original floats

Useful when the original floats are damaged or missing

or no longer moving smoothly over the pool surface

Its dependable design helps improve ease of use while supporting long-term shop or field performance

A pressure switch is useful because it helps verify that system conditions are within the range needed for dependable heater operation

The roto design gives this Waterway part a more dynamic user-facing feel than a fixed insert

Mersen Time Delay Fuse [20A, Class G, 600V] (AG20) kingtechnology Useful when the original floatsThe Mersen time delay fuse is designed for compatible electrical applications where circuit protection is needed while allowing temporary inrush conditions. A time delay fuse is useful because it helps protect equipment from overcurrent while tolerating short startup surges that could occur during normal operation. This replacement is especially useful when the original fuse has opened, aged, or needs replacement as part of routine electrical service.