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 watts 210 for gas water heaters
Author: treblarelho (TX)

I installed a wags 7200 which shuts off water supply to water heater in the event of a leak. the wags also terminates the gas supply to water heater as well. However, the T&P can not be ran to outside or to an approved drain. The water heater sits in a hall closet. I know that the watts 210 installs where the T&P valve goes. Does this install of the watts 210 take the place of a T&P valve____________in other words, if the watts go in place of the t&p, how does water discharge when necessary?

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 Re: watts 210 for gas water heaters
Author: hj (AZ)

You appear to have a misconception about the WAGS valve. It is placed inside a "pan" under the water heater and when it senses water in the pan it shuts off the water in to the tank and the gas line, (assuming you also have the gas control module). It has NOTHING to do with the T&P valve OR a drain line.

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 Re: watts 210 for gas water heaters
Author: m & m (MD)

It is an anti-flood device. When water from any kind of leakage accumulates in the pan to a depth of ~1 1/2", it activates a one-time valve which closes the incoming water off and averting a mess.

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 Re: watts 210 for gas water heaters
Author: treblarelho (TX)

Thank you. I realize the wags has nothing to do with t&p. The wags is already installed. The t&P line is ran straight into the pan because there is no where to take it. The water heater sits in a closet in the the hallway. The watts 210 installs where the t&p valve opening is. My question is,____if the watts is installed at t&p opening where does water discharge when necessary?

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 Re: watts 210 for gas water heaters
Author: m & m (MD)

[media.wattswater.com]

The Watts 210 does NOT install into the T & P port. It is installed into the hot water outlet piping. It in no way interferes with the operation or function of the T & P.

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 Re: watts 210 for gas water heaters
Author: hj (AZ)

It has absolutely NOTHING to do with the T&P valve OR its opening. The cold waterline is disconnected from the water heater and connected to the inlet of the WAGS, then the WAGS outlet is connected to the heater's COLD water inlet. With a gas heater, you also need the accessory module that turns off the gas.

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 Re: watts 210 for gas water heaters
Author: hj (AZ)

quote; It is installed into the hot water outlet piping

If it is installed in the HOT water outlet/piping, HOW could it turn off the water to prevent flooding? You also seem to have an erroneous concept of how the WAGS works.

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 Re: watts 210 for gas water heaters
Author: m & m (MD)

Read the post. My first comment concerned the WAGS. My second comment was in reference to the Watts 210.

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 Re: watts 210 for gas water heaters
Author: bernabeu (SC)

it is NOT code compliant for the T/PRV to discharge into a 'confined space'

it MUST discharge where said discharge will NOT cause damage

should the valve actually operate to relieve temperature/pressure in a 'runaway' situation it will POP WIDE OPEN and create a FLOOD in your 'closet'

a 'mechanical room / closet with mechanical equipment' should have a floor drain



re: flood prevention valve/module

the Temperature and Pressure protection of the system MUST BE MAINTAINED

the valve installs on the cold water inlet pipe

the control module sits in the pan

when the sensor or float in the module detects water it closes the valve

gas control would require optional extra part(s) - see later post re: WATTS 210


THE ABOVE ARE FACTS

check with your insurance company if you are a non-believer

==============================================

"Measure Twice & Cut Once" - Retired U.A. Local 1 & 638



Edited 2 times.

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 Re: watts 210 for gas water heaters
Author: hj (AZ)

I had not noticed that he was referring to two different items. He appears to be somewhat paranoid. The 210 does not discharge water, it just shuts off the gas to the burner to prevent additional overheating. It may conform to the requirement for a safety valve in place of a T&P valve, otherwise, it would be a long shank model into a tee attached to the hot water outlet. Some installers consider the drain pan as an acceptable outlet for the T&P valve, even though it is a gravity drain and would be overwhelmed within seconds by a full discharge from a T&P valve.

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 Re: watts 210 for gas water heaters
Author: bernabeu (SC)

hj,

Quote

The Watts #210 is quite commonly used in California where a T&P cannot be piped to the outside. It is a thermal protection device only and shuts off the gas supply to the water heater. This requires the use of a separate pressure relief valve (which may be mounted remote as long as there is no intervening/isolating valve).




THE WATTS #210 IS A TEMPERATURE ACTIVATED GAS SHUT OFF VALVE ~ IT DOES NOT ACT AS A PRESSURE RELIEF ~ AN SPRV MUST ALSO AND SPERATELY BE INSTALLED



installation to replace side mounted TPRV:


plus install a SPRV where it can be discharge safely (w/o intervening valves)


WE BOTH HAVE LIVED AND LEARNED smiling smiley

==============================================

"Measure Twice & Cut Once" - Retired U.A. Local 1 & 638

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 Re: watts 210 for gas water heaters
Author: hj (AZ)

However, temperature AND pressure are usually the result of an overfiring burner. Shutting it off eliminates the source of energy. But it is also why I said it "might" satisfy the requirement for a T&P valve.



Edited 1 times.

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 Re: watts 210 for gas water heaters
Author: bernabeu (SC)

it does NOT satisfy the TP requirements

it does the T

a SEPARATE P is required


if the OP's issue were mine I would ADD the 210 on a tee at the hw outlet as an ADDITIONAL safety and KEEP the OEM tp in place

ps. I did not 'get it' for a while, needed to visit the Watts site [www.watts.com]

==============================================

"Measure Twice & Cut Once" - Retired U.A. Local 1 & 638



Edited 1 times.

Post Reply

 Re: watts 210 for gas water heaters
Author: bernabeu (SC)

Quote

Does this install of the watts 210 take the place of a T&P valve____________in other words, if the watts go in place of the t&p, how does water discharge when necessary?



A Safety Pressure Relief Valve must be installed IN ADDITION to the 210.

Said PRV must follow standard safety valve installation codes.

see: [www.watts.com]


ps. sorry that I did not FULLY read the ? before answering

==============================================

"Measure Twice & Cut Once" - Retired U.A. Local 1 & 638



Edited 1 times.

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