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.

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.

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Hot water recirculating systemwith dedicated return line

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.

ReadyTemp®'s Intelli-Circ Controller, Precise Adjustable-Temperature and Silent-Solenoid solves major inefficiencies and inconveniences common in today's hot water circulators and retrofit hot water circulating pumps

TL4000D  $435.00   Dedicated return line (Adj Flow 1 to 14 GPM,16 ft head, 1/25hp) TACO 008 Stainless Steel Pump,

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Recirculating hot water systemdiagram

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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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

ReadyTemp® delivers the very best in hot water comfort, convenience and savings by eliminating numerous costly, comfort robbing  inefficiencies found in today's circulators, recirculators and on-demand systems. The inability to control both hot and cold water comfort, the inefficiency of continuous running pumps, the inaccuracies from pipe clamp-on temperature sensors and the costly waste of energy from repeated siphoning water from the hot water line to name a few.   Our philosophy, the sooner hot water is received at your desired temperature, the sooner very cold city water stops filling your water heater--water that would go down the drain, wasted.  ReadyTemp®'s temperature dial provides homeowners the means to control and optimize their home’s hot water convenience and comfort for maximum efficiency and savings.

Hot waterrecirculationsystemdesign

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.

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Hot water recirculatingpump installation diagram

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.

ATC3000 OPTIMIZER ATC3000 TANK WATER HEATER UNDER SINK INSTALL EASY 3-STEP INSTALL CONNECT 4 HOSES 2 HW HOSE / 2 CW HOSES 6"H X 7"W X 7"D 0.52 AMPS 1/40TH HP MAX 125' TO W.HEATER IDEAL SCHEDULED/TIMER        FULL SPEC'S IN BROCHURE           CLICK TO READ MORE

CHOOSE:  TL4000(N or D) N=No dedicated return line (will use cold line as return)  D=Dedicated return line already exist in home

TL5000N  $639.00   No Dedicated return line / Cold line as return (Adj Flow 2 to 30 GPM, 31 ft head, 1/8hp) TACO 011

TL4000N   &     TL5000N COLD LINE AS RETURN TANK OR TANKLESS W.HTRS HEATER* OR SINK INSTALL SAME 4-HOSE 3-STEP => CONNECT 4 HOSES 2 HW LEFT / 2 CW RIGHT 6¾"H X 13½"W X 7"D * 0.79 AMPS 1/25TH HP * 16' HEAD 1 - 14 GPM IDEAL ALL-IN-ONE SYSTEM FULL SPEC'S IN BROCHURE  CLICK TO READ MORE

CONTROL / ACTIVATION and WIRELESS OPTIONS 2016 BROCHURE / SPECIFICATIONS TL-Series Install / User Guide ATC3000 Install / User Guide As FEATURED in GIPRO Presentation Materials and Manuals      SYSTEMS SHIP COMPLETE NO ADDITIONAL PARTS NEEDED (UPS Ground / Tracking Info sent to your email)

TL4000N  $489.00   No Dedicated return line / Cold line as return (Adj Flow 1 to 14 GPM,16 ft head, 1/25hp) TACO 008

Optimizer Control Box,  Built-in check valve, two (2) isolation valves 1/2" or 3/4" female connections, Temperature probe

How does ahot water recirculating systemwork

Anti-siphon solenoid, 2 isolation valves, Power cord, two (2) Flex lines, 20 event Timer, Install Guide, 2 yr warranty

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.

© 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.

Hot water Recirculatingvalve

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

TL4000D    &       TL5000D  with DEDICATED RETURN TANK OR TANKLESS W.HTRS MOST ANYWHERE ON LOOP     * YLW =TL4'S  *BLK =TL5'S CONNECT SUPPLY / RETURN CONFIG'S TO "ANY" LIFESTYLE 6¾"H X 10"W X 7"D * 1.76 AMPS 1/8TH HP * 30' HEAD 1 - 28 GPM WITH ½" OR ¾" FLANGES        FULL SPEC'S IN BROCHURE        CLICK TO READ MORE

TL5000D  $585.00   Dedicated return line (Adj Flow 2 to 30 GPM, 31 ft head, 1/8hp) TACO 011 Stainless Steel Pump

Installing a ReadyTemp® guarantees the most efficient control of your home’s hot water performance.  No other product on the market provides better comfort, more control, or improved efficiency.  With energy-saving features including "temperature based" cyclic pumping, adjustable temperature control, and scheduled-off "single-cycle" override, it's easy to see why ReadyTemp® is the industry’s "homeowner preferred" hot water circulation pump.

Inadequate flow of low-power circulators or thermostatic valve systems with uninsulated pipes/pipes in foundation/cold seasons

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.

Hot water recirculating systemwithout dedicated return line

Have tankless water heater and prefer scheduled / timer and/or On-demand (push-button / wireless) circulation operations.

Other hot water circulators repeatedly place costly demand on home water heaters during everyday "cold water events" i.e. toilet flushing, etc

Under sinkhot water recirculatingpump

ReadyTemp®'s temperature-based cyclic system pumps water that is lower than the homeowner’s selected temperature out of the hot water line, into the cold water line, and then back into the water heater.  This cyclic-pumping consumes less energy compared to top-mounted hot water recirculators which pump continuously during scheduled-on periods.  Cyclic pumping benefits comfort as well by providing a home’s cold water pipes the seconds needed to absorb the warmer water that has been passed from the hot water line.  As a result, the homeowner does not waste water, time and energy waiting for cold water, a frequent complaint by owners of other hot water circulation pumps.   ReadyTemp®'s normally closed solenoid valve provides unsurpassed comfort in that it's not vulnerable to pressure fluctuations during cold water use, unlike inferior thermostatic valve and spring-based check valve designs that cannot prevent siphoning from the hot water line during cold water usage.

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ReadyTemp® monitors temperature using a "precision grade" stainless steel "water contacting" temperature probe. It consistently and accurately measures temperature, cycling the internal TACO pump, only as needed, maintaining water at the homeowners dialed-in temperature.  ReadyTemp®'s unique space-industry engineered manifold achieves ‘positive bypass flow restriction’ using an integrated ‘normally closed’ solenoid valve for industry-record efficiency and savings.  This more efficient bypass valve prevents any water from siphoning out of the hot water line and into the cold water line during the homeowner’s use of cold water inside or outside of the home.  Inefficient ‘normally open’ thermostatic bypass/comfort valves remain open any time 95F or hotter water is not present in the line resulting in repeated, unnecessary and expensive demand on the water heater. This costly, inefficient siphoning occurs as a result of the imbalance in water pressures between the hot and cold water lines during cold water use. Higher pressure in the hot water line forces water into the cold line, even during the use of cold water only. This siphoned water is then replaced by cold city water entering the home’s water heater. With Inefficient hot water recirculators, every instance of cold water use, whether at the kitchen tap, the bathroom toilet, or the garden hose, results in extra demand on the water heater.

Industry record efficiency; intelli-Circ on-board microcontroller, cyclic-pumping, anti-siphon solenoid prevents costly HW demand

Have tank water heater and desire scheduled/timer+On-demand (push-button/wireless) lifestyle.  Order our TL4000 system.

Optimizer Control Box,  Built-in check valve, two (2) isolation valves 1/2" or 3/4" female connections, Temperature probe

Anti-siphon solenoid, 2 isolation valves, Power cord, two (2) Flex lines, 20 event Timer, Install Guide, 2 yr warranty

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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.

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.