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WattsMixing Valve

All of the potential reasons for a leaky T&P valve demand attention, but first, you must test whether your valve is leaking. Check for water pooling around the tank. Then, touch the drain line with your hand to see if it feels warm. If so, this is where hot water is leaking out of the tank. Hire a plumber to determine the cause of the leak and replace the hot water heater pressure relief valve if necessary.

Many manufacturers require an inspection and replacement of the T&P valve every two to four years, depending on local water conditions. Any signs of corrosion or scaling indicate the need for an immediate replacement.

The T&P valve is usually located high on the side or on top of the tank. It’s connected to a pipe that runs down the length of the water heater and stops a few inches above the floor. The valve itself consists of a flat, inch-and-a-half-long lever that lifts and lowers when water is released to reduce the temperature and pressure within the tank.

1/2mixing valve

Before you test the T&P valve, make sure a pipe is connected to it that guides discharged water to a floor drain or basin below. Then, lift up on the lever and listen for water discharging from the tank and exiting the pipe near the floor. This indicates a successful test and tells you the valve is working correctly.

Water heatermixing valve

Copyright © 2024 Mr. Rooter. All rights reserved. This information is not intended as an offer to sell, or the solicitation of an offer to buy, a franchise. It is for information purposes only. Mr. Rooter is a registered trademark of Mr. Rooter LLC

© 2024 Neighborly Company and its affiliates. All rights reserved. Neighborly is a registered trademark of Neighborly Assetco LLC. This site and all of its content is protected under applicable law, including laws of the U.S. and other countries. Each location is independently owned and operated. State, provincial, and local laws may impact the services this independently owned and operated franchise location may perform at this time. Please contact the franchise location for additional information.

If you hear the sound of trickling water coming from the hot water heater, the T&P valve may be leaking. This could mean the valve is defective and needs to be replaced. It could also indicate that the water pressure regulator valve or thermostat is faulty. Or it might mean the valve is doing its job by releasing excess pressure inside the tank.

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If water doesn’t discharge from the valve, or the lever is stuck in the closed position (don’t apply excessive force to open it), this could mean naturally occurring mineral deposits are blocking the waterway, rendering the valve inoperable. Turn off the water heater and call a plumber immediately to replace the valve.

2 ThermostaticMixing Valve

3/4 thermostaticmixing valve

Adjustable set point within temperature rangeAccurate temperature control to within plus or minus 3 degrees FEasy installation and serviceabilityFour (4) programmable thermal disinfection options to kill LegionellaFour (4) relays for alarms and recirculation controlsEasy-to-use digital interface with data logging, alarming, and status indicationAutomatic anti-clog functionPositive shutoff of flow in the event of cold supply line failureValve Features: Lead-free brass, low-lead brass chrome-plated ball, EPDM hydraulic seals and PFTE seat ring, Check valves on inlets, NPT thread connections, Dial thermometer gauge at the outlet, dirt and lime resistantController features daily ball rotation cycle to flush debrisCountry of Origin: IT

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Copyright © 2024 Mr. Rooter. All rights reserved. This information is not intended as an offer to sell, or the solicitation of an offer to buy, a franchise. It is for information purposes only. Mr. Rooter is a registered trademark of Mr. Rooter LLC

If you notice problems with your water heater, or you can’t remember the last time you had the pressure relief valve inspected or replaced, contact Mr. Rooter Plumbing to schedule water heater repair today.

Global Trade Identification Numbers (GTIN numbers) for this product. GTINs appear on barcodes and identify products sold by different retailers as the same product.

3/4mixing valvefor water heater

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It’s recommended that homeowners test the hot water heater pressure relief valve at least once a year to make sure it’s functioning properly. Now that you know where the T&P valve is located, you can test it with ease.

Water heater temperature and pressure relief valves, or T&P valves, are safety features found on all tank water heaters. The valve should always be in good working order to ensure the water heater is safe in the event of extreme pressure buildup. It’s designed to open temporarily and discharge short spurts of water when the temperature exceeds about 210 degrees F, and it releases pressure if the tank gets above 150 psi. It’s important to locate your hot water heater pressure relief valve so you can test it at least once a year and address leaks as they occur.

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The most important test is to ensure the T&P valve operates correctly. If it doesn’t, pressure could build up inside the tank and become a safety hazard.

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© 2024 Neighborly Company and its affiliates. All rights reserved. Neighborly is a registered trademark of Neighborly Assetco LLC. This site and all of its content is protected under applicable law, including laws of the U.S. and other countries. Each location is independently owned and operated. State, provincial, and local laws may impact the services this independently owned and operated franchise location may perform at this time. Please contact the franchise location for additional information.