To protect the pool when the ice expands.
Place on the surface of the pool, ideally on a diagonal.
The pieces go together with hooks (1 hook is on each float)...
This fitting is most commonly used for the outlet of the filter head.
Also applicable for other pool accessories.
Pooler's Tip: We use these fittings ourselves as standard for...
O-ring - valve seal external - between valve and container.
Applicable to the following types:
Roma and Midi
Hayward with VariFlow XL Valve (GMX600F)
Seal will expand...