Hayward Gas Swimming Pool Heater 100k Btu Natural Gas "spa makes loud bang" Questions

I have a H100ID1 natural gas heater. For the past 2 weeks it has been heating the water but making a loud banging noise and shaking the whole heater. It stopped making the noise and won't heat the ...

...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 powder visible in the salt water chlorinator. ...

When the burners ignite, within one minute it starts making a loud banging noise and then the HS code comes on and it shuts down. the noise continues for about 15 to 30 seconds after the burners shut ...

makes a loud bang when starting the heater makes a loud bang when trying to start and it may do this one or two times and then start. we have lots of wasps could they have built a nest? the heater ...

...makes loud banging noises when pump shuts off and waterflow stops. The heater's outlet water plumbing fitting is failing as if there is too much pressure. My pool pressure gauge is now running high. ...

What does CFH mean on your pool heater and how do you fix it? We just opened our pool and went to turn the heater on two days later. CFH appeared on the reading and then the heater started making a ...

...makes loud popping noises and then we get black smoke out the chimney vent. The first time was the first time we turned on the pool -- I assumed that a wasp nest had burned as I saw wasps flying ...

...makes a loud bang like a gun going off. What would cause that? Is 45F deg too cold to run this heater? It was tripping the GFI but found the exhaust pipe was blocked by four feet of snow. i cleared ...

i have a starite propane heater i turn it on it calls for heat it will start heating then a couple minutes later the filtration lines and heater give a loud banging noise and service heater light ...

My 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! ...