Hayward Low NOx Vacuum Switch (IDXLBVS1930) nipples this Waterway Super Hi-Flo suction

this Waterway Super Hi-Flo suction assembly is a practical replacement when a 5 inch black 251 GPM assembly with 2-1/2 inch straight connection is needed

The Hayward flush union is designed for compatible plumbing applications where a serviceable 2 inch slip-to-slip connection is needed

Useful for troubleshooting control system failures

A piston assembly with handle is useful because it restores both the internal sealing function and the user-control portion of the valve in one repair

Hayward Low NOx Vacuum Switch (IDXLBVS1930) nipples this Waterway Super Hi-Flo suctionDesigned for precise service work on compatible Hayward heating systems, Hayward Low NOx Vacuum Switch helps restore the fit, sensing, flow, or combustion support needed for dependable heater operation. It is a practical replacement choice when an existing component is worn, damaged, or no longer performing as it should. Pool heaters rely on tightly matched internal parts to manage heat, airflow, water movement, and safety controls. Using the correct