Product Description Fitment: Fits for Hayward H-Series C-Spa XI Series 1.5 / 5.5 / 11 Heaters (220V 50/60 Hz) Features: (1) This 2 pole contactor is a perfect lower-cost replacement for Hayward part number CZXCON3645. Alternate Part: 672179, CFZ-151-6785, HAYCZXCON3645 (2) If you’re hearing a consistent click or chattering noise, there’s a good chance you have a contactor that is switching on and off continuously. You need to solve chattering contactor with a new CZXCON3645 Contactor (3) Coil Voltage: 200/240V AC, Work Frequency: 50~60Hz, Pole: 2 pole, Fully enclosed body .
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