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0158774 has been discontinued
Discontinued July 2, 2025
This product was discontinued by the manufacturer.
MANUALS (1)
Non-Potable Water Applications
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This product does not comply with the “Safe Drinking Water Act,” which requires that products meet low-lead standards in order to be used in systems providing water for human consumption (drinking or cooking). This item is for non-potable (non-human consumption) water applications only.
Direct Replacement:
3/4" 40XL-8 T&P Relief Valve w/ Flood Sensor Connectivity (150 psi)
Backorder
Get it Wed, Jul 15 - Wed, Aug 12
Product Highlights
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3/4"
MNPT
FNPT
150 psi
210°F Max Temp
Bronze
Description
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Note: This item does not comply with the 2014 Lead Free Act. It may not be used in potable water applications as of January 4, 2014. For potable water applications 0121421 is recommended.
Series 40L, 40XL Automatic Reseating Temperature and Pressure Relief Valves are used in commercial water heater applications to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters. They feature a bronze body with NPT male inlet and NPT female outlet connections, unique thermostat with special thermo-bonded coating, tamper-resistant bonnet screws, automatic reseating feature, and test lever. Model 40L has a short thermostat for installation directly in available tank tapings. Model 40XL has an extension thermostat for installation in the hot water outlet within the allowable distance from the top of the tank. Series 40L, 40XL valves are ASME rated and CSA listed.
Series 40L, 40XL Automatic Reseating Temperature and Pressure Relief Valves are used in commercial water heater applications to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters. They feature a bronze body with NPT male inlet and NPT female outlet connections, unique thermostat with special thermo-bonded coating, tamper-resistant bonnet screws, automatic reseating feature, and test lever. Model 40L has a short thermostat for installation directly in available tank tapings. Model 40XL has an extension thermostat for installation in the hot water outlet within the allowable distance from the top of the tank. Series 40L, 40XL valves are ASME rated and CSA listed.
Specs
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| Size: | 3/4" |
|---|---|
| Thermostat Length: | 8" |
| Max Temp (F): | 210°F |
| CSA Rating (BTU/HR): | 205000 |
| Inlet Type: | MNPT |
| ASME Rating (BTU/HR): | 1437600 |
| Outlet Type: | FNPT |
| Pressure Set Point: | 150 psi |
| Application: | Heating |
| Material: | Bronze |
Questions?
Speak with a real person who will go out of the way to help!
Call or text 888-757-4774
Monday – Thursday
8am–7:45pm
Friday
9am–7:45pm
Saturday – Sunday
9am–5:45pm