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Home / Products / LF40L, LF40XL Lead Free Automatic Re-seating Temperature and Pressure Relief Valve
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LF40L-lead-free-temperature-pressure-relief-valve

LF40L, LF40XL Lead Free Automatic Re-seating Temperature and Pressure Relief Valve

Technical Data | Related Products

Manufactured by: Watts Water Technologies
Model: LF40L, LF40XL

Watts Series LF40L, LF40XL 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 Lead Free* brass 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 LF40L has a short thermostat for installation directly in available tank tapings. Model LF40XL has an extension thermostat for installation in the hot water outlet within the allowable distance from the top of the tank.

Additional Information

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Technical Data

Pressure Rating:
75 psi to 150 psi

Maximum Temperature:
210°F

Available Sizes:
3/4in, 1in, 1-1/4in, 1-1/2in, 2in

Connection Types:
Threaded

Standard Available Pressure Settings:
75 psi, 100 psi, 125 psi, 150 psi

See product datasheet for additional details

Features
  • Lead Free cast body
  • Non-mechanical seat-to-disc alignment
  • Tamper-resistant bonnet screws
  • Series 3⁄4" and 1" LF40 feature a unique thermostat with a special thermo-bonded coating
Ratings
  • ASME

Certifications
  • ANSI Z21.22
  • CSA
  • FHA
  • MIL-V-136-12D, Type I

BBC Pump and Equipment Co.

777 North Tibbs Avenue
Indianapolis, IN 46222

P: 317-636-1111
F: 317-636-5467
sales@bbcpump.com
service@bbcpump.com

M-F, 8:00 AM - 5:00 PM

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