Questions & Answers for: hayward pool heater makes banging

...Hayward H100 series heater after winter. Loud, banging noises in pipes, (sounds like popcorn being popped) unit shaking. When it makes a banging noise, there is a corresponding 'shower' of white ...

Hayward H model makes a heavy clicking noise while running. In fact, it will shake the entire unit. It only does it after egniting. Check to be sure your heater by-pass is closed off. If not the water

...copy of the users manual for these pool heaters. Try consulting the troubleshooting guide. You should be able to figure out your problem. ...

...Hayward H400IdL2 makes a banging noise when the heater is turned on. Pool man mentioned a bypass valve problem. Leslie's pool said we need a new heater, at a cost of $2,300 (including labor.) Thank ...

...heater is making a loud banging noise after the burners kick on. Hot water comes out a little when the banging occurs but water is basically still cold. Mine too today! ...

Hayward H400 Heater makes banging noise not enough water flowing through heater

hayward making grinding noise heater makes banging noise while heating low waterflow check filters or need more pump flow

hayward h400idl gas pool heater making a banging noise not enough water flow

hayward h250 making a banging noise When heater is on for spa, makes a loud banging noise. low water flow if filter ok check manual bypass and return valves open

makes clunking noise just inspect inlet and outlet baffles area loose which is the right position ? What do you mean by clunking noise, a single hard bang or like popcorn popping around inside? Right ...