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Ground floor flat with vented cylinder.

I live on the bottom floor of a two story block of flats.The cylinder was replaced but dont have any pressure on the hot water side.its prob the most simple boiler in the world but the gravity is not enough to push the water to the taps.can a pump be fitted or is there a easier solution?

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  • Steve Archer May 11, 2010

    I need clarification

    if this is a water heater it supplies pressure from the incoming cold water there is a valve that lets the water in and should be open

    if this is a boiler then this is more complicated

    some have circulating pumps and others create steam that condensates then flows back in water form

    c


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  • 332 Answers

Clean the screen off on the hot side of the heater or the cold side depending on the unit on the shut offs there are cap screws and if you shut the water off and remove the cap screw there are filters inside take them out and clean them

Posted on Jun 06, 2009

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Posted on Jan 02, 2017

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How and where does the water go in


The cold water enters the top, but the water is not released into tank at the top. The cold water goes through a "dip tube" This takes the cold water to the bottom of the tank. If you dip tube fails, or breaks, your faucet temperature will slowly drop as you use hot water (vs giving you 60% of tank at full temperature before temperature starts dropping) In normal operation, the cold water is released near bottom of tank, the hot water rises to top, and comes out of the top of the tank.

Jan 27, 2015 | Water Water Heaters

1 Answer

How can I increase the hot water pressure in my home?


Cold water pressure is what give you your hot water pressure so they should be equal but if you have a restriction on the hot side such as a valve not opening on the hot side or not opening all the way then you will have less pressure or the pipe work on the hot side is not proper. Hard to say but check the valve on top of the hot water heater

Aug 13, 2014 | Water Heaters

1 Answer

I have a vaillant eco pro 28 combi boiler. no constant hot water unless tap is on really low.


Oh some of these there was a small black heatexchanger just for hot water they some times block up . or it could be a blockage in the water section where it flows in .I know Valliant have a very good tech line and fitters who do house calls .

Mar 02, 2017 | Water Heaters

1 Answer

Rheem powervent 42vp40f does not provide water to all faucets


Feb 2013
1) Copy following links for Intellivent gas control service manual, low hot water pressure, and crossover:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
http://waterheatertimer.org/Low-hot-water-pressure.html
http://waterheatertimer.org/Crossover.html

2) Unknown if tank has hot water > that is first thing to check.

3) Unknown if air intake screen located under burner is clogged with dust that cause combustion chamber to overheat, tripping FV lockout and breaker TRD glass vial.
Requires removal of combustion parts, replacement of TRD, blow out air intake screen, reset intellivent

4) Unknown if there is error code.

5) Rheem does not post service manuals.
However this unit can probably be repaired.

Feb 05, 2013 | Water Heaters

1 Answer

I have a Rheem 40 gallon hot water heater which is about 2 years old. The drain valve drips a bit while the hot water heater is heating up the water and then stops once the water is heated up. What is the...


When you say drain valve, do you mean TP valve?
Two different things: -drain valve and -TP valve

-Drain valve is located near bottom of tank and has hose thread on end.
-TP valve is brass and is located on side of tank tank near top on , and has a pipe that runs down within 6" of floor, or pipe goes into a drain pipe. DO NOT CAP OFF TP VALVE because this is safety outlet that prevents extremely hot water from rupturing tank.
http://waterheatertimer.org/Leaking-water-heater.html

1) If drain valve located near bottom of tank is leaking, it can be capped with a garden hose cap from hardware store-home center. Thread cap on end of drain valve.

2) If TP valve is leaking.
a)Turn down thermostats on water heater
http://waterheatertimer.org/How-to-adjust-water-heater-temperature.html
b)Replace TP valve
http://waterheatertimer.org/How-to-replace-TP-valve.html
c) Install expansion tank on incoming cold water line
Buy expansion tank at hardware-home center-plumbing supply and tee straight out from cold water line and attach expansion tank. About the size of small football.
http://waterheatertimer.org/images/Expansion-Tank-1-82.jpg

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4) Mythbusters blows up a water heater for your enjoyment U-tube
Video shows that extraordinary pressure is needed to blow up heater.
This event has only been reported once in past 10 years that I have read, and it blew out side of home. Stats for this type event don't exist in insurance company records, so you are safe - just don't cap off TP valve.

5) Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Jan 16, 2011 | Rheem 40 Gallon FVR NATGAS Low WATER...

1 Answer

We have a brand new rheem 40 gal elec water heater, after installation we have water leaking from the base of the relief valve, pooling up in the plastic fitting and making it way over the side all over...


Water heater should be set in a drip pan.
Otherwise, put 1 gallon bucket under TP release pipe to catch water.
http://waterheatertimer.org/Water-at-bottom-of-water-heater.html#drip-pan

When you say relief valve, I assum you are talking about brass valve located on top of tank or near top of tank. This is TP valve and a pipe connects to this valve and runs down to within 6" of bottom of tank. TP valve has a small lever on it.
If you are talking about tank drain valve located at bottom of tank, then add a comment.
Following information is for TP valve.

Dripping TP valve can be caused by 3 different thing:

1) Obstruction inside TP valve. Open TP valve for a moment to flush away particles and slowly lower lever back down. See if water stops dripping, if not, then replace TP valve

2) Defective TP valve: replace TP valve. Turn off electricity to water heater. Let heater cool for several hours so you do not get scalded. Close shut off valve located above tank on cold side. Open tub spout to relieve pressure, open tank drain or open TP valve and empty water below TP valve level. If TP is located on top of tank, not much water has to be drained. Tank is under press when hot, so be careful. Put teflon tape on new valve and install with big pipe wrench by turning clockwise until TP valve is very tight.

3) Overheating tank. TP valve is temperature-pressure valve. If tank water is over 150 degrees, the TP valve starts drizzling hot water to relieve tank pressure.
Lower tank pressure two different ways:
a) turn down thermostat
http://waterheatertimer.org/How-to-adjust-water-heater-temperature.html
b) install expansion tank on incoming cold water line
http://waterheatertimer.org/Water-at-bottom-of-water-heater.html#expansion-tank

Dec 19, 2010 | Rheem Water Heater Pressure Relief Valve

3 Answers

I have a Reliance hot water tank..great cold water pressure but a dribble of hot in the shower.


Take the hot water faucet apart (with water off) and look for scale or even white plastic.Even if it's a single lever, you might have plugging in the hot water side. If you find white plastic, expect the dip tube in your water heater is falling apart.(Dip tubes direct incoming cold water to bottom of heater) Drain some water from your water heater at least annually to reduce solids in your heater.

Oct 05, 2010 | RELIANCE ELECTRIC WATER HEATER

1 Answer

Upsstair shower doesn't supply continuous hot water, downstair works great. Water pressure problem?


It could be a water pressure problem but most water supply companies put out enough pressure for a 2 story house (or even 4 stories) easily. Can you clarify what you mean by continuous? Does the water get cold, on and off (i.e. no hot water) or does it vary in temperature mildly?

Mar 12, 2010 | Bosch 2700ES Natural Gas AquaStar ...

1 Answer

I have a thermostat mixer shower but hot water has become minimal recently, even when water is piping hot from the taps? The shower is fed from cylinder tank on 1st floor, and cold water tank is in the...


The thermostatic mixing spool cartridge may be worn out. The low water pressure may indicate sediment in the cartridge as well. This can be easily removed by hand tools

Feb 17, 2010 | Grohe Integrated 1/2'' Shower Thermostatic...

1 Answer

No hot water


need more info please

Oct 25, 2008 | Water Heaters

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