Thermostaticmixing valve

Regular inspection of mixing valves is recommended to assure maximum valve life and a properly functioning system. Corrosive water conditions, unauthorized adjustments or repairs can be detected during inspection and service of the valve. The frequency of cleaning depends upon local water conditions.

3/4mixing valve

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It is important that a boiler's high temperature limits do not exceed the maximum temperature rating of the system components. This will protect against component temperature failure should dirt, sediment, or other mechanical failure cause a mixing valve to become inoperable.

MasterMixing Valve

If the TP valve is bad, you have to replace it, even if it's risks damage to the threads. I had the same problem and borrowed a long pipe wrench to get it off. You can try to break it free a few ways:

Delivery of water to fixtures intended for use in bathing or washing should always be controlled by valves listed to ASSE Standard 1016 Type T or ASSE Standard 1070. ASSE 1016 listed valves provide the user with both scald protection and thermal shock protection. ASSE 1070 listed valves provide the user with scald protection only. These valves should never be set to exceed a maximum temperature of 49C (120F). (Watts recommends the maximum temperature of 43C (110F) for shower and bathing fixtures.)

I have the below T&P valve, I'm not able to remove it to replace a new one. I saw there has some declaration above the valve which said it's the combination of the water heater, does this mean I can't remove it? If no, how to remove a very tight valve. Thanks a lot.

Mixing valvefor water heater

Safe storage and distribution of domestic hot water is imperative in any application. We provide a complete line of thermostatic mixing valves to ensure safe, tempered water is delivered from source to use. The Benefits Assures constant outlet water temperature even with variations in hot or cold water supply temperature.** Allows the water heater to be operated at higher temperatures, extending the effective system flow rate and preventing the growth of Legionella. Can reduce the size/BTU requirements needed to provide capacity for peak system demands. Assures constant safe hot water temperature at the point of delivery to the fixture.

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3/8mixing valve

Mixing valvefor boiler

The control of water temperature for the source of supply should be controlled by ASSE 1017 listed mixing valves. These valves can also be used for re-circulation systems to maintain domestic hot water supply temperatures at levels (temperatures above 55C (131F) that prevent the growth of harmful bacteria such as Legionella.

** Please refer to specification for the selected model to determine the allowable inlet temperature range to maintain a desired outlet temperature.

WaterMixing Valve

Delivery of water to fixtures intended for use in bathing or washing should always be controlled by valves listed to ASSE Standard 1016 Type T or ASSE Standard 1070. ASSE 1016 listed valves provide the user with both scald protection and thermal shock protection. ASSE 1070 listed valves provide the user with scald protection only. These valves should never be set to exceed a maximum temperature of 49C (120F). (Watts recommends the maximum temperature of 43C (110F) for shower and bathing fixtures.)

Regular inspection of mixing valves is recommended to assure maximum valve life and a properly functioning system. Corrosive water conditions, unauthorized adjustments or repairs can be detected during inspection and service of the valve. The frequency of cleaning depends upon local water conditions.

Mixing Valvefor sink

It is important that a boiler's high temperature limits do not exceed the maximum temperature rating of the system components. This will protect against component temperature failure should dirt, sediment, or other mechanical failure cause a mixing valve to become inoperable.

OK, that warning label is telling you that the valve is protecting the appliance from both over-heating and over-pressure (combination). The part about removal from point of installation is a warning that relocating it to another part of the system will not provide adequate protection (back in the day they sometimes located a pressure-relief valve on a pipe outside the home). You can remove and replace it. Pull off that plastic cover so you can see the threaded part. Get a bigger wrench, at the factory they use a pipe compound that sets hard. Your tank is iron and unlikely to be damaged

Safe storage and distribution of domestic hot water is imperative in any application. We provide a complete line of thermostatic mixing valves to ensure safe, tempered water is delivered from source to use.

The control of water temperature for the source of supply should be controlled by ASSE 1017 listed mixing valves. These valves can also be used for re-circulation systems to maintain domestic hot water supply temperatures at levels (temperatures above 55C (131F) that prevent the growth of harmful bacteria such as Legionella.

Assures constant outlet water temperature even with variations in hot or cold water supply temperature.** Allows the water heater to be operated at higher temperatures, extending the effective system flow rate and preventing the growth of Legionella. Can reduce the size/BTU requirements needed to provide capacity for peak system demands. Assures constant safe hot water temperature at the point of delivery to the fixture.

First, try to tighten the relief valve to break the hold of the dope and threads. It should be easier to tighten than to remove. You only have to move it a little to break the thread hold . Then remove the safety valve with a bigger wrench, say an 18" or 24" crescent wrench. The tightening is easier since the strain on the threads is in the direction of tightening.