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It captures floating debris and manages suction flow
this assembly is easy to handle and store
Heater locks out after repeated ignition attempts
designed for reliable and precise activation
Hayward Diffuser, 2-1/2 HP and 3 HP | SPX3021B Electric Patio Heaters It captures floating debris andWhat This Part Is Used For The Hayward SPX3021B is a diffuser used in compatible 2 1 2 HP and 3 HP pump models. It surrounds the impeller inside the wet end and directs water into the pump housing. This component manages internal water flow. Why This Part Matters A cracked or warped diffuser can reduce efficiency and lower system pressure. Poor internal flow control may affect heater performance and filtration. Replacing a worn diffuser restores
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