Question about Bradford White Bradford IGI-180R-10X Water Heater

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Mineral deposits in line & aerator - Bradford White Bradford IGI-180R-10X Water Heater

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We need more information, if we are to walk thru this problem to its solution-- so I have to ask a few questions:
1.) Any Water Softener in the system?
2.) If your water is 'hard'-- (meaning too many minerals, like Calcium)- the Hot water heater will cause the minerals to settle out, just due to the heating. This causes sediment to settle in the bottom of the HW tank-- And it sounds like you are getting this settling-out condition-- right?
3.) Are you on Well water?-- If city water-- are your neighbors using water softeners to reduce the 'hardness' of the water in your home?
Tell me more-- let's see if we can walk thru your Hot Water system, and see what it at the root cause of the minerals settling out. Mack B

Posted on Oct 16, 2013


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This type of noise is caused by plumbing issues, like pipe bends and connections and also by mineral deposits that build up in the pipes, hot water is the most likely to have this problem of deposits inside the pipes, also the faucet can be the source if it has an aerator nozzle and it is restricted from debris.. All this said you need a professional; plumber to check it all out and decide what is the source of the noise, it could be simple or very extensive rework of the system.

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Electric water heater tip

You should open the drain valve on your water heater atleast once a year. This flushes out any mineral deposits that may settle to the bottom of the tank. This will prolong the life of the electrical heater elements. Do this more often in areas of hard water.

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Sounds like you have a mineral deposit issue blocking the outlet. Try draining the tank, but first turn off power to heat coils. Drain and flush, then try again

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No water being dispensed from my Insinkerator hot water tap following insallation of new filter

Probably debris from old filter got trapped in the line.
If the insinkerator has aerator, take that off and flush out debris.
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Our rheem pronto tankless rutg-74xp red light will come home indicating hot water and stay on about 2 minutes and then turns off we have turned off and back on and let water run for 5 minutes and will come...

Before calling service technician, open following link for Rheem troubleshooting resources.

List of causes MIGHT include one of following:
Bad household circuit breaker that powers electronics, or loose wire inside outlet where tankless plugs in.
Tankless fuses and control board.
Water flow rate too low. Minimum .8 gallon required (depending on model)
Tankless inlet filter clogged.
Household aerators clogged at faucets.
Crossover at single-handled faucet
If installed, there can be crossover at mixing valve.
Faulty household check valve, including check valve on re-circulation system if that system is installed.
Restriction in household water line, such as clog at elbow.
Unequal pressure in household hot and cold lines, caused by restriction in hot line. When single-handled faucet turns on, the cold water pressure is higher so hot does not flow and tankless will not turn on.
Loose wire connection inside tankless.
Unit temperature set too high.
Unit temperature set too low.
Water temperature is very hot coming out of tap, so more cold is added, but that reduces amount of hot water flow, so tankless turns off because flow rate is too low.
On some tankless, if water is preheated by solar or other indirect source, the burner will not activate.
High mineral content in water > delime tankless yearly
Misaligned temperature sensor
Low gas pressure. Wrong type of gas. Undersized gas line.
Too many faucets on at same time.
Faulty tankless water valve. Water valve stuck.
Fluctuating household water pressure, for example MUD and PUD district water pressure problems or water well pressure.
Faulty household pressure reducing/regulating valve if installed.
Faulty household pressure tank, if installed -or- pressure tank needs to be installed.

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We have to reset daily A-7

Before calling service technician, open following link for troubleshooting resources including error codes, manual, links to bosch, phone number, :

A7 is outlet temperature sensor fault.
Temperature below freezing or above 210 degrees F

1) Check red wire connections at hot water temperature sensor. Clean terminals with an eraser. If badly corroded, replace sensor and wire harness. (See Fig. 63, page 46 in manual).
2) Sensor may trip if water temperature drops below freezing to protect heater from freezing conditions. Any damage due to freezing conditions is not covered under warranty.
3) Clean inlet filter screen and clear any debris out of shower heads, faucet aerators and whole house filters.
4) In areas where water has a high mineral content, periodic descaling may be necessary.

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The water temp is set to the lowest thermostat setting; however, the water is extremely hot and often throws the safety breaker loaded on the heater itself...... I reset the red button and it heats.........

probably has lime and mineral deposits on thermostat and is not getting a correct reading turn off water supply and electrical - drain tank remove screws to heater elements and if build up try cleaning or if to bad replace same with the stat


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I have a Reliance 501 gas hot water heater that needs a tank cleaning. Scale is showing up in faucet aerators. Is it still comon practice to delime hot water heater tanks? If so any recomendations?

hook up garden hose to faucet @ the bottom of the tank and drain the hose to the outdoors or down a floor drain and open the valve , leaving the cold supply valve on , let it run until it runs clear , this will get rid of some of the sediment deposit that form at the bottom of tank , is the most effective way i know , good luck


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Water heater was leaking, has water in thermostat compartment...

My friend, let me talk to you.

You tell me your machine failed because of mineral deposits. What ever its age, if it failed because of this reason, its life is over.

When you get your new heater, put a note on the side of it that you promise to drain the sediment out of it at least one time per quarter (every 3 months), date and sign it.

And lastly, if I was getting shocked by something that could be replaced for a couple of C notes ... I'd be replacing it for that reason alone. You are asking for trouble. The controls are wet - it is shocking you - it is leaking -- what more can I say.

Tomorrow is Saturday, you might as well get up early and get started.

Probably not what you wanted to hear. For that I am sorry. I hope my insight will help you arrive at a decision.

Say, was that your family I "saw" upstairs. You do want them to be safe and have hot water, right? Ok ... that is it then ...

Let me know what you decide.


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Insinkerator hot water heater takes a long time to dispense water

It may have mineral deposit buildup on the inside. You will need to consult your maintenance manual to see how to flush the unit and clear it of deposits. You can also contact Insinkerator for the information as well. You can use vinegar to clean it just like you would a coffee pot. Take the inlet supply off and using a funnel pour the vinegar in and turn the unit on.

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