Waterco HRV 18 Collector Assembly (HRV18-COL) switches Supports a more focused grate-only

Supports a more focused grate-only replacement

The V20-341 is a strong service choice when a compatible spa system needs a return-line check valve replacement that restores both function and cleaner visual consistency

Supports a more finished and factory-correct visible result

Union ends support easier installation and removal

Waterco HRV 18 Collector Assembly (HRV18-COL) switches Supports a more focused grate-onlyThe Waterco HRV 18 collector assembly is designed for compatible sand filter applications where the central internal collection section needs replacement. A collector assembly is useful because it serves as one of the key internal structures that works with laterals and related parts to manage water movement through the filter bed. This replacement is especially useful when the original collector is cracked, worn, or too compromised to continue