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Marc, Plumber
Category: Plumbing
Satisfied Customers: 1126
Experience:  Plumbing heating & home maintenance contractor
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We have a tankless toilet that makes constant hissing noise.

Customer Question

We have a tankless toilet that makes constant hissing noise. Not sure if something is blocking the water flow or not. It flushes fine but sometimes the hissing noise is louder than other times. What could it be?
JA: How long has this been going on? And how severe is the problem?
Customer: It's been going on for almost 2 months now. The flushing works well, it's just the noise. And we have a power flush and we don't have a tank with our toilet.
JA: Do you plan on doing the work yourself?
Customer: If we can.
JA: Anything else we should know to help you best?
Customer: That's about it, I guess.
Submitted: 8 months ago.
Category: Plumbing
Expert:  Rick replied 8 months ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. First I’ll need some more info so I have a more complete picture of you situation.

Do you have a valve on the back of the toilet bowl that looks similar to the attached picture?

Customer: replied 8 months ago.
Customer: replied 8 months ago.
I'm not able to talk right now. Can I call later?
Expert:  Rick replied 8 months ago.

We can continue here or come back later if you want a call

Expert:  Rick replied 8 months ago.

Please let me know how you want to proceed