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Low water pressure after changing the water heater

If you are experiencing low water pressure after changing out your water heater there are a couple of things that you should look for. The first thing to check is the shut off valve that should be located on the inlet side of your water heater. When we are replacing an Overland Park Water Heater, we will always replace the shut off valve with a new ball valve. When a shut off valve goes bad it can stick open, shut, and anywhere in between. This can result in low water pressure throughout your house. There is also a shut off valve that is located at the entry point of the house. This can also stick shut and do the same thing.

The best way to tackle any plumbing problem is to isolate the issue. If you are experiencing low water pressure throughout your entire house it is most likely the shut off valve at the entrance of the house. Whenever we replace a water heater that has an old shut off valve, we will usually just shut the water off from the street.

If you are not experiencing low water pressure throughout your entire house the solution may be even easier. If it’s only your shower that has low water pressure or if it is leaking, there may be some debris that is stuck behind the shower valve cartridge. You should be able to turn off the water to the house and remove the cartridge to clear the debris.

If you are experiencing low water pressure in any of your faucets you can remove the aerator which can be unscrewed from the end of the faucet. Turn the faucet back on without the aerator and it should clear the blockage. Replacement aerators can be purchased from your local hardware store.