Hayward Low NOx Vacuum Switch (IDXLBVS1930) nipples A piston assembly with handle

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

has suffered electrical failure

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

Replacing worn or missing anode components can support better long-term equipment protection

Useful in maintenance and repair work

Hayward Low NOx Vacuum Switch (IDXLBVS1930) nipples A piston assembly with handleDesigned 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