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Hot water failing

Hot water stops when cold water turned on

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2 Answers

My hot water just stopped running from hot side but cold still runs all sinks so what happen


the is a tube inside the heater that sometimes fails . and all you get is cold water call a local plumber and have them check the DIP tube

Jun 17, 2015 | Rheem Richmond 40 Gal Nat Gas 6 Year Power...

1 Answer

My hot water to the shower goes cold after 3-4 mins could please help?


a couple of things to check on the side of the hot water system you will see a valve with a small lever
lift that lever until there is a solid stream of water coming from the pipe
that ensures that the heater tank is full
next -if you have a temperature mixer on the hot water pipe out of the tank ( stops scolds in the bath, shower sink) by controlling the temperature mix at the tank
They are known to fail and shut down the hot water supply by adding extra cold water into the system
other than that get a plumber in to fix the fault.

Apr 20, 2015 | Water Water Heaters

1 Answer

Junior 24i intermittent hot water heating works fine and the green light comes on when turn hot water tap but water cold


sounds like you need a plumber many tanks have an internal pipe that sends the cold water to the bottom of tank called a DIP tube plastic and they fail

Feb 23, 2015 | Water Water Heaters

1 Answer

Why won't lp 125 shut off after you turn off faucet continues to burn then backflows hot water through cold supply line and melts it then pressures up and blows line


It sounds like there is too much pressure in the hot water pipes. You can try adjusting the pressure. Do it a little at a time to see how much hot water is coming out. The only other thing I can think of is that there is a large delay between the switch and the water flow. meaning you will need to stop the water a while before you actually want the water to stop flowing.

Elisa Jed ' http://www.mccreeryhvac.com

Jul 14, 2014 | Bosch & Tankless LP Hot Water Heater

2 Answers

Hot water varies


I do not know how old this unit is or what model but many water heaters are not sophisticated enough to measure the temperature, but heat based on water flow and temperature rise. To start, tankless water heaters turn off every time you turn the hot water off. Lets use an example. You use the facilities, wash your hands then turned off the water and take a shower. You will bring the already heated water (from washing your hands) from the pipe up to the shower. Then the cold water that comes into the pipe from the reactivation of the water heater comes up the hot water pipe with warm then hot water just behind.

If this is not your problem, keep reading. Every unit I have been called to see were installed wrong. Check your installation manual to see if the problem with the system started with the contractor.

First, check the temperature of the water from the heater. If it is too hot and you are mixing too much cold water in, the unit will turn off because there is not enough water flow to keep it running.

Second, turn off the valve at the water heater and turn on the hot water at a faucet. If the water does not stop running, there is a "plumbing cross over" usually caused by a failing pressure balance valve in a shower.

Third, if the unit has not been serviced, go to bosch-climate.us to find a tankless water heating professional in your area. Totally Tankless LLC

Mar 14, 2014 | Bosch & Tankless LP Hot Water Heater

1 Answer

Mira 88 not supplying hot water


may have a screwed up washer seal on the hot side..it will stop the flow to a degree and allow more cold water in..calls for dismantling the entire control or replacing it..

Jan 26, 2014 | Water Heaters

2 Answers

We used to have hot extremely hot water in both bathrooms. One day, the water became warm and ultimately cold in one of the bathrooms. Now, the water is also freezing in the bathroom where the water used...


Your check-valve has most likely failed at the switch.
The flow check valve works by opening when you turn the water tap. When it opens it closes a switch which turns on your heating elements. When this switch fails you will still have water flow, but no heat. Titan has parts for this but you will need to call their service Dept.
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or call
Toll free support pesonnel hours (EST): Monday-Friday: 9:00am - 5:00pm
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They also have an online support operator during normal business hours here
http://www.titanheater.com/livehelp/livehelp.php?department=2

Mar 24, 2010 | TitanNet TITANTANKLESS. COM PRESENTS THE...

1 Answer

Bosch water heater


I'd initially check for a cross connection (cold water leaking into hot water system). This can be done by shutting off the cold water feed to the tankless unit, then opening up hot water fixtures around the home. You should see the water come to a complete stop; if you see a steady stream of water, then you have a cross connection. The most common place for a cross connection is at single handled showers. The valve cartridge starts to fail over time.

Jul 09, 2009 | Bosch & Tankless LP Hot Water Heater

1 Answer

No stop tap. cold water coming through cold taps in caravan but no hot water the carver cascade water heater is getting the water hot but it just wont come through the taps in the shower room or kitchen in...


your pipes are clogged, what if you were to not turn on the cold and turn on the hot does any water come out at all, with just the hot side turned on,, if not there could be a valve that has been turned off, or the pipes are clogged

Jun 17, 2009 | Reliance & 40 Gal Mobile Home Water Heater...

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