Description
Product Summary
The Watts LF100XL-4-150 is a relief valve from Watts, described by the manufacturer as: lead free T&P relief valve 3/4" 150 PSI 4" stem 0556000. It is sized for 3/4" connections.
A relief valve opens to protect a boiler, water heater or system from excessive pressure or temperature. Replace a relief valve that weeps constantly, will not reseat or has been tested and shows corrosion. A leaking relief valve can also point to an expansion tank or fill valve problem.
Before you order, match LF100XL-4-150 to the part number on the part you are replacing or in your equipment's repair parts list, and confirm the voltage, size and connections match your equipment. If you are not sure which part your equipment needs, call us at 1.888.509.3391 with the model and serial number and we will confirm it for you.
Key Features
- Genuine Watts part: Manufacturer part number LF100XL-4-150, factory new.
- Pipe Size: 3/4".
- Part type: Relief Valve.
- Ready to ship: In stock with live quantities shown on this page.
Frequently Asked Questions
Is this a genuine Watts part?
Yes. This is the Watts LF100XL-4-150, a factory-new relief valve from Watts.
How do I make sure it fits my equipment?
Compare LF100XL-4-150 with the part number printed on the part you are replacing or listed in your equipment's repair parts list, and confirm the voltage and connections match. If you are not sure, call us at 1.888.509.3391 with your model and serial number and we will confirm it.
What rating do I need?
Match the pressure setting and BTU or temperature rating required by the boiler or water heater. Never plug or cap a relief valve.
Should a professional install this part?
Yes. Gas, electrical, hydronic and combustion components should be installed by a qualified technician who can test the system afterward and follow the codes that apply where you live.
