Watts LLL100XL 3/4 in. MNPT Bronze Temperature and Pressure Relief Valve 1 pc

The combined 2-in-1 Temperature & Pressure relief valve provides the least expensive and proven means for protection against both excessive temperature and pressure emergency conditions.

Watts

Item #: 77114084

Watts LLL100XL 3/4 in. MNPT Bronze Temperature and Pressure Relief Valve 1 pc

Item #: 77114084

BHD 26

~~BHD 28~~

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The combined 2-in-1 Temperature & Pressure relief valve provides the least expensive and proven means for protection against both excessive temperature and pressure emergency conditions.

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What Stands Out

Durable Construction

Made from high-quality bronze, the Watts LLL100XL valve provides long-lasting performance and reliability, reducing the frequency of replacements and ensuring consistent operation in demanding environments.

Precision Control

The valve effectively regulates temperature and pressure, preventing system failures or damage, thereby enhancing safety and operational efficiency in residential and commercial settings.

Easy Installation

Designed for straightforward installation with a 3/4 in. MNPT connection, this valve ensures compatibility and convenience, making it suitable for various plumbing applications without requiring extensive modifications.

Product Details

Watts LLL100XL 34 in. MNPT Bronze Temperature and Pressure Relief Valve 1 pc
Designed for new generation water heaters with extra thick insulation
Eliminates need for extension nipple with extended inlet shanks
Dual function as Temperature & Pressure relief valve
Certified by CSA and National Board to ANSI Z21.22 and ASME Section IV
Provides automatic temperature and pressure relief protection up to 105,000 BTU/Hr

Exterior Finish	Bronze
Inlet Connection Type	MNPT
Outlet Connection Type	MNPT
Maximum Pressure	150 Pound per Square Inch (381 cm)
Number of Ports	2
Thread Type	NPT
Connector Type	Threaded
Thread Size	3/4 inch NPT (86.4 cm)
Valve Type	Pressure Relief Valve
Item Dimensions	2.5 x 1.4 x 7.8 inches (6.4 x 3.6 x 19.8 cm)
Inlet Connection Size	0.75 Inches (1.9 cm)
Outlet Connection Size	0.75 Inches (1.9 cm)
Size	3/4 inch (86.4 cm)
Item Weight	0.7 Pounds (320 grams)
Brand Name	Watts
Model Number	0066440
Global Trade Identification Number	00098268651126
Manufacturer	WATTS
UPC	098268651126
Manufacturer Part Number	0066440
Unit Count	1.0 Count
Material Type	Metal
Specification Met	CSA, ANSI Z21.22, ASME Section IV
Material	Metal
Brand	Watts
Item dimensions L x W x H	2.5 x 1.4 x 7.8 inches (6.4 x 3.6 x 19.8 cm)
Maximum Operating Pressure	150 Pound per Square Inch (381 cm)

Who Should Buy?

Homeowners
Ideal for homeowners looking to ensure safe pressure regulation in water heating systems, preventing overheating and potential damage.
Plumbers
Professional plumbers will benefit from its reliable performance and durability, ensuring quality service during installations and repairs.
HVAC Technicians
HVAC professionals can utilize this valve to maintain safe operation in HVAC systems, enhancing overall system efficiency and safety.

Small Boilers
Not suitable for small or low-capacity boilers that may require less robust pressure relief solutions for effective operation.
Non-Residential Use
May not meet the stringent requirements of industrial or commercial applications needing higher performance or specific certifications.
DIY Beginners
Inexperienced DIY users might struggle with installation and maintenance, requiring professional help for proper functioning and safety.

Product Description

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Product Buying Guide

The Watts LLL100XL 34 in. MNPT Bronze Temperature and Pressure Relief Valve is a high-quality and essential component for water heaters. It offers reliable protection against excessive temperature and pressure emergency conditions, ensuring the safety of your water heater and hot water storage tanks. This buying guide will provide you with all the information you need to make an informed purchasing decision. Continue Reading

Customer Questions & Answers

Question: What is a temperature and pressure relief valve?

Answer: A temperature and pressure relief valve (TPR valve) is a safety device designed to protect water heaters from excessive pressure and temperature. It automatically releases water when it reaches a specific threshold, preventing potential damage or explosion. TPR valves like the Watts LLL100XL are essential in heating systems, especially in residential settings where safety is a concern. For example, if the water heater malfunctions or becomes over-pressurized, this valve will open, discharging water to maintain safe operating conditions.
Question: What are the main features of the Watts LLL100XL valve?

Answer: The Watts LLL100XL features a durable bronze body designed to withstand high temperatures and pressures. It has a MNPT (male national pipe thread) connection, ensuring a secure fit for standard plumbing systems. This valve is specifically engineered with a reliable design that allows for quick relief of excess pressure and temperature. It’s ideal for use in both residential and commercial water heating applications, making it a versatile choice for various plumbing setups.
Question: How do I install the Watts LLL100XL TPR valve?

Answer: Installing the Watts LLL100XL TPR valve involves proper plumbing skills and tools. Begin by turning off the water supply and draining the tank. The valve should be installed vertically on the top or side of the water heater tank. Ensure that the MNPT connection is secured using a wrench but avoid overtightening. After installation, restore the water supply and check for leaks. Proper installation is crucial, as a faulty setup can lead to serious safety issues, ensuring your water heater operates within safe parameters.
Question: How often should I check or replace the TPR valve?

Answer: It’s advisable to check your TPR valve at least once a year to ensure it functions correctly. During this inspection, visually check for signs of leakage or corrosion. If you find any irregularities or if the valve does not open when tested, it should be replaced. Regular maintenance is vital for the safety and longevity of your water heater, and a functioning TPR valve prevents system failures and enhances peace of mind.
Question: What are the signs that my TPR valve is malfunctioning?

Answer: Signs of a malfunctioning TPR valve can include water pooling around the valve, a hissing sound, or continuous release of water. If there's an unexpected increase in temperature from your water heater, it may indicate the valve isn't working properly. These symptoms can lead to serious safety concerns if not addressed promptly. It's important to address any such issues by inspecting the valve and possibly contacting a professional plumber for evaluation.
Question: Can I use the Watts LLL100XL valve in any water heater?

Answer: While the Watts LLL100XL valve is designed to operate with most water heaters, it’s essential to verify compatibility with your specific system, especially regarding pressure ratings. Consult the water heater manufacturer's specifications to ensure it's rated for use with this type of valve. The versatility of the Watts LLL100XL makes it a popular choice, but always check compatibility to ensure optimal performance and safety.
Question: What are the benefits of using a bronze TPR valve like the Watts LLL100XL?

Answer: Bronze TPR valves, such as the Watts LLL100XL, offer several advantages over plastic alternatives, including durability and resistance to corrosion. Bronze can withstand higher temperatures and pressures, making it ideal for high-demand water heating systems. By using a bronze valve, you ensure a longer lifespan and improved reliability, contributing to the overall safety of your water heating setup, especially in residential applications where the risks could be significant.
Question: Is the Watts LLL100XL valve adjustable?

Answer: The Watts LLL100XL TPR valve is not adjustable but is designed to operate within specified temperature and pressure limits. This fixed setting ensures reliable operation under normal conditions. If your system requires specific adjustments or settings, you might need to consider additional components or consult a plumbing professional. The reliability of a fixed setting can provide peace of mind that the valve will consistently operate as intended in standard conditions.
Question: What should I do if my water heater is continually releasing water through the TPR valve?

Answer: If your water heater is continually discharging water through the TPR valve, it may indicate an over-pressurized system or a faulty valve. First, check the water heater's temperature setting; it may need adjustment. Additionally, inspect the valve for any signs of malfunction. If adjustments don’t resolve the issue, or if the valve seems defective, it's crucial to consult with a licensed plumber for further assessment to prevent more severe problems.
Question: Where can I buy the Watts LLL100XL 34 in. MNPT Bronze Temperature and Pressure Relief Valve?

Answer: You can purchase the Watts LLL100XL 34 in. MNPT Bronze Temperature and Pressure Relief Valve from Ubuy. Ubuy offers a convenient shopping experience with a wide selection of plumbing products, ensuring you can find what you need for your water heating system. Simply visit Ubuy’s website and search for the product to place your order easily.

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Pros

Durable bronze construction
Easy installation process
Reliable temperature control
Prevents pressure buildup
Excellent safety features

Cons

Slightly heavier than expected.

Product Price History

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