I will be getting out the dual differential manometer, but wanted to follow this thread actions. Now I want to overclock my house and try to get that awesome hotel shower water pressure…. Call a plumber and have him install a check valve so that the other fixtures don't interfere with the flow of water to the heater. What Does a Bad Water Heater Sound Like? We should start by noting that tankless water heaters are making a noise when starting and heating water. Why Does My Furnace Smell or Make Strange Sounds. The pipes may not be securely anchored, and the water pressure can slam them against the studs or the interior of the wall. Screeching - A small opening is being pushed through under great pressure, causing those high pitched sounds. Does The Furnace Sound Like A Jet Engine? The brand was WATTS and Amazon had it for $254. Connect a garden hose to the drain spigot. Your Mfrs Regional Office should have a Tech that can fix this. If the home does not have a pressure reducing valve, or if it is defective/set too high, the Rinnai will create this horrible vibration within the exchanger. I don't want to call a plumber over nothing, but if this is a sign of the heater's imminent demise, I'd rather act now than after.
Does anyone have any insight into what's causing this? Another option is to open the pressure relief valve. Throttle down gas pressure at valve suppying gas to unit, Its being oversupplied, do it when unit is making noise. Blocked or inadequate ventilation and even defective/poorly set pressure valve can make your tankless water heater get loud. I suspected that this fan is being over driven and going into a surge point. Consider boiling water in a covered pot to better grasp the complexities of this issue. Then, check if the sound has gone away and you no longer hear the annoying Navien humming noise. What jojo is describing can also make a loud racket related to water being turned on and sounds more like the end of an impact wrench noise. Be on the lookout for them as well. No at least I now know why. Hello, just retired (and not too early) the Bosch Aquastar 199, 000 BTU tankless I installed not quite a decade ago. Tankless water heater sounds like a jet engine plans. Once you find the loose components in the heater, the job is already half-done. However, it can also happen due to the following reasons: - Siphoning water.
I am convinced that I have sufficient flow and pressure, just not to service everything at once. Reattach the drain pipe to the valve, and open the cold water valve. For example, if you installed your gas tankless water heater in the basement, close to the master bedroom, and with the vent 5′ from the window, you will be able to hear the unit from your bedroom only if it's dead-quiet in your home. Boy this made me reconsider the issues with my Rinnai. Tankless water heater sounds like a jet engine land. Diagnosing whether you have this issue or not can take some time but the solution is simple. When your tankless unit makes a popping sound, the sediment build-up is the leading cause. Note: Don't forget to shut off the cold water valve.
This was the exact same problem I had. I realized my high fire flame is in fact wrong since day one, nice tech support from Rinnai. Reasons for the jet engine sound. What are the common causes of noise coming out of your tankless water heater? Sizzling noises will be heard when you switch off the burner if there is an issue with your equipment. We'll discuss all the potential reasons behind it in this section. Tankless water heater sounds like a jet engine going. Beeping or flashing lights means that the water heaters are still hooked up to an electrical source and should be replaced. This weakens the water heater tank over time. Finally, open the gas valve and set it to the desired temperature.
Drain the tanker's hot water. The hot water heater is functional, but this noise bothers me. The Furnace Smells Like Burning! Place rubber or foam between the tankless heater and the walls to achieve a similar effect. There must be a vacuum somewhere that drains the water from your water and causes this loud noise and vibrations.
Typical set point should be 50 psi. Keep in mind that you must descale your water heater at least once a year. Another probable reason behind it is water hammering. I just install a R94LS and am having the same problem.
It's not uncommon for rodents and insects to get in there and cause this issue. It'll be more of a hissing sound than a humming noise. When these animals stay there, it obstructs the operation of the fan and causes it to become unbalanced. How Noisy Is a Tankless Water Heater. I did the mechanical engineers solution to control by choking the manual valve to limit pressure at choked flow, since I have no idea how to set the pressure on this modulating control valve.
Finally, plug in your electric water heater. I have had so called techs come out and they have no clue how to adjust the air fuel ratio. Your valve might leak if it has been used for a while without being tested. Furthermore, it prevents it from melting the insides of an empty tank. Also read: Boiler Making Noise? Small amount of natural gas smell outside exhaust pipe.
Found some problems with the vent/intake pipe had become disconnected to the outside cover w/ error code 12 and would not stay running.