Pool heater making clicking/knocking noise

Causes and cures for cloudy swimming pool water.
Milky pool water, white, pink, brown, purple, black cloudy water.
Sarahj
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I'm new here
Posts: 1
Joined: Fri 25 Jun, 2021 09:35
My Pool: 18x36 I ground heated salt water.
Jandy 2007 heater. Hayward pump new in 2018.

Pool heater making clicking/knocking noise

Postby Sarahj » Sat 26 Jun, 2021 20:17

inground 18x36 chlorine pool. balanced currently ~80F

14 yr old Jandy pool heater. 2500BTU heater started clicking and knocking upon plugging in. You can see it here:
https://www.youtube.com/watch?v=rS8RNcOlm_Y

We have new control board (3 weeks ago) New Flame sensor and ignitor in 2020

Ideas on what it is and how we can fix?

TIA


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