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Constructed from Durapro reinforced resin
visible wear
the AP188 Alk Test provides a clear
the inlet and outlet header assembly is likely compromised
80 foot cord length
Hayward Blower Vacuum Switch | IDXLBVS1930 Lasco Fittings Constructed from Durapro reinforced resinWhat This Part Is Used For The Hayward IDXLBVS1930 Blower Vacuum Switch monitors vacuum levels within compatible Hayward heater systems. It ensures proper blower operation before ignition. Why This Part Matters A failed vacuum switch can prevent the heater from starting even when gas and power are present. Accurate vacuum sensing protects the combustion system. Replacing the switch restores proper airflow verification. Key Features and Specifications