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1-1/2-inch connection size for standard pool and spa filtration lines
Polaris Back-Up Valve Black 280 380 480 Pro
enabling quick visual confirmation within pool and spa water testing workflows
the valve may leak or fail to hold position
Hayward Flame Sensor | IDXLFLS1930 Spa Blower Parts 1-1/2-inch connection size for standardWhat This Part Is Used For The Hayward IDXLFLS1930 Flame Sensor detects burner flame presence in compatible Hayward heater models. It signals the control board to confirm safe ignition. Why This Part Matters If the flame sensor fails, the heater may shut down shortly after ignition. Reliable flame detection prevents unburned gas buildup. Replacing the flame sensor restores stable burner monitoring. Key Features and Specifications Manufacturer part
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