Pressure switch on H400 pool heater (winterize)?

steve nye

In The Industry
Apr 8, 2020
1
massachusetts
I have a new Hayward H400 propane pool heater that I want to winterize. I blew out the lines and removed the drain plugs as instructed but is there a pressure switch that needs to be removed as well? There is nothing about it in the manual. Thanks for any advice.
 

ajw22

Gold Supporter
TFP Guide
Jul 21, 2013
20,287
Northern NJ
Welcome to TFP.

Different heaters have different designs. Hayward does not need you to remove the pressure switch.

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