Series 3L Pressure Relief Valves are used in residential applications to protect against excessive pressure on domestic storage tanks, tankless water heaters, and solar heating applications. It consists of a bronze body construction with NPT threaded male inlet and NPT threaded female (drain) outlet connections, stainless steel spring, and test lever. Model 3L-Z9 has a stainless steel lever and pin for outside solar applications. ANSI Z21.22 approved, ASME rate, and design certified and listed by CSA. Can be used with WATTS® Series 210 gas shutoff valve. Pressure Range: 75 to 150psi (5.27 to 10.34 bar), Standard Pressure Settings: 75, 100, 125, and 150psi (5.17, 6.90, 8.61, and 10.34 bar).
WATTS® Pressure Relief Valve, Series: 3L Series, 3/4 in Nominal, MNPT x FNPT, 125 psi, 210 deg F, Brass Body, 1-5/32 in W x 3-11/64 in H, Domestic
Series
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3L Series
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Nominal Size
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3/4 in
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End Style
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MNPT x FNPT
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Pressure Rating
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125 psi
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Temperature Rating
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210 deg F
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Body Material
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Brass
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Dimensions
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1-5/32 in W x 3-11/64 in H
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Domestic/Import
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Domestic
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- Furnished with test levers
- Relieves excessive pressure on storage tanks
- Relieves excessive pressure on tankless water heaters
- Compatible with model 210 gas shutoff valves
- Use in solar applications
- Stainless steel spring
- Silicone disc
- Maximum system operating pressure must not exceed 75% of valve set pressure
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Data/Spec Sheet-1
https://www.texasplumbingsupplyinc.com//ASSETS/DOCUMENTS/ITEMS/EN/Watts_0011086_Data_Sheet.pdf
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Instruction/Installation Manual
https://www.texasplumbingsupplyinc.com//ASSETS/DOCUMENTS/ITEMS/EN/https://assets.unilogcorp.com/2/ITEM/DOC/WATTS_0011640_Manual.pdf
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Specification Sheet
https://www.texasplumbingsupplyinc.com//ASSETS/DOCUMENTS/ITEMS/EN/https://assets.unilogcorp.com/2/ITEM/DOC/WATTS_0011640_Specification_Sheet.pdf
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Specification Sheet
https://www.texasplumbingsupplyinc.com//ASSETS/DOCUMENTS/ITEMS/EN/https://assets.unilogcorp.com/2/ITEM/DOC/Watts_0011086_Specification_Sheet.pdf
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Specification Sheet
https://www.texasplumbingsupplyinc.com//ASSETS/DOCUMENTS/ITEMS/EN/https://cdn-assets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Watts_0011086_Specification_Sheet.pdf
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VIDEO LINK
https://www.texasplumbingsupplyinc.com//ASSETS/DOCUMENTS/ITEMS/EN/https://cx1content.unilogcorp.com/cx1/view/api/asset/v1/dam/assets/ITEM/DOC/file/2/WATTS_0011640_Manual.pdf|https://cx1content.unilogcorp.com/cx1/view/api/asset/v1/dam/assets/ITEM/DOC/file/2/WATTS_0011640_Specification_Sheet.pdf