Pressure & Relief Valves

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  • 184839740.jpg
    WATTS
    Watts 0009484 LFN45B Series Pressure Reducing Valve 3/4 in 300 psi NPT Union x FNPT
    SKU: 0009484
    Product DescriptionThe Watts LFN45B Series pressure reducing valve, model number 0009484, is designed to manage and reduce water pressure in plumbing systems. This valve operates at a pressure setting of seventy psi. It features a thermoplastic seat and cage for durability. The valve is...
    $99.50
    $99.50
  • 184839423.jpg
    WATTS
    Watts 0275178 1 174A-085 Pressure Relief Valve FNPT End Style 85 psi
    SKU: 0275178
    Product DescriptionThe Watts Regulator Company 0275178 is a pressure relief valve designed for safety in plumbing systems. This valve is part of the 174A series and is suitable for water media applications. It has a one-inch nominal size and features an FNPT end style....
    $251.99
    $251.99
  • 184840203.jpg
    WATTS
    WATTS R48N42-030 R48 Series Gas Appliance and Line Pressure Regulator Natural Gas 3/4 Pipe Size 230,000 BTU per hr 1/2 psig Inlet Pressure
    SKU: R48N42-030
    Product DescriptionThe WATTS R48N42-030 is a gas appliance and line pressure regulator. It is designed for natural gas applications. This regulator features a three-quarter inch pipe size and can handle up to 230,000 BTU per hour with a one-half psig inlet pressure. It allows...
    $44.04
    $44.04
  • 184736531.png
    LEGEND VALVE
    LEGEND VALVE 111-301NL 3/4-1 NL 200K BTU PRV
    SKU: 111-301NL
    Product DescriptionLEGEND VALVE offers the 111-301NL, a pressure relief valve designed for tankless water heaters. This model features a three-fourth inch male NPT connection and is lead-free. It is built to handle a maximum output of two hundred thousand BTUs. This valve is essential...
    $30.56
    $30.56
  • 184734378.png
    MAXITROL
    Maxitrol 325-5L-66-NG01 Gas Pressure Regulator, 3/4 in.
    SKU: 325-5L-66-NG01
    Product DescriptionThe Maxitrol 325-5L-66-NG01 is a gas pressure regulator suitable for various gas applications. This model features an NPT connection and is designed for a piping system operating at two pounds per square inch. It is made with an aluminum body that supports multiple...
    $136.12
    $136.12
  • 184736302.png
    OSLIN NATION
    Oslin Nation B42R38DG10 Itron B42 Series 1-in Gas Internal Relief Pressure Regulator, 3/8 in
    SKU: B42R38DG10
    Product DescriptionThe Oslin Nation B42R38DG10 is an Itron B42 series gas internal relief pressure regulator. This device features a one inch inlet and is suitable for natural gas and liquid propane applications. The regulator ensures safe and reliable pressure control, making it essential for...
    $100.91
    $100.91
  • 183671978.jpg183671979.jpg
    RESIDEO BRAUKMANN
    Resideo V5306B1009 Pressure Regulator - Natural Gas - 3.5 WC
    SKU: V5306B1009
    Product DescriptionThe Resideo V5306B1009 is a natural gas pressure regulator designed for precise pressure control in commercial and industrial applications. This unit maintains a constant outlet pressure of three and a half inches water column (WC), irrespective of fluctuations in inlet pressure. This reliability...
    $78.60
    $78.60
  • 184683908.jpg
    FITZPATRICK
    Fitzpatrick 0386-0725 Turbo Torch Acetylene Torch Regulator
    SKU: 0386-0725
    Product DescriptionThe Fitzpatrick 0386-0725 Turbo Torch Acetylene Torch Regulator is designed for professionals who require reliable performance in their plumbing tasks. This regulator is made with durable brass and features an adjustable design along with a contents gauge for monitoring. It is compatible with...
    $190.30
    $190.30
  • 183764329.png
    OSLIN NATION
    Oslin Nation B42R38DG75 Itron B42 Series 3/4-in Gas Internal Relief Pressure Regulator, 3/8 in Orifice
    SKU: B42R38DG75
    Product DescriptionThe Oslin Nation B42R38DG75 is a self-operated gas pressure regulator. This product is designed to regulate gas pressure effectively, featuring an internal relief option. It is suitable for both natural gas and liquid propane applications. Internal relief for pressure control Constructed with a...
    $124.03
    $124.03
  • 183763365.jpg183763366.jpg
    MAXITROL
    Maxitrol 325-3L47-1/2 | 1/2 Line Regulator w/ OPD (125,000 BTU)
    SKU: 325-3L47-1/​2
    Product DescriptionThe Maxitrol 325-3L47-1/2 is a pressure regulator made for industrial usage. This device effectively manages pressure in gas systems, making it key for various applications. Durable brass body designed to handle tough environments. Adjustable outlet pressure up to 150 PSI for versatile pressure...
    $79.22
    $79.22
  • 183763355.png
    MAXITROL
    Maxitrol 325-7AL-1010-NG01 Gas Pressure Regulator 1-1/4 in.
    SKU: 325-7AL-1010-NG01
    Product DescriptionThe Maxitrol 325-7AL-1010-NG01 is a gas pressure regulator designed for use with natural and mixed gases. It features a balanced valve design for accurate pressure regulation. This product is suitable for various gas types including liquefied petroleum gas and LP gas-air mixtures. It...
    $260.86
    $260.86
  • 183763348.jpg
    MAXITROL
    Maxitrol 325-3L-44-NG01 Gas Pressure Regulator, 1/2 in.
    SKU: 325-3L-44-NG01
    Product DescriptionThe Maxitrol 325-3L-44-NG01 is a gas pressure regulator designed for use in natural, manufactured, and mixed gases, as well as liquefied petroleum gases. The 1/2 inch regulator features a lever acting design suitable for two psi piping systems. It can be mounted in...
    $41.11
    $41.11
  • 174910504.jpg
    WATTS
    Watts 0009474 LFN45B Series 1/2 in. 400 psi Cast Copper Silicon Alloy Double Union Sweat Pressure Reducing Valve
    SKU: 0009474
    Product DescriptionThe Watts 0009474 LFN45B Series is a lead free water pressure reducing valve designed for commercial and residential use. This valve helps manage incoming water pressure, protecting plumbing components and reducing water usage. It features a cast copper silicon alloy body and includes...
    $249.22
    $249.22
  • 170835883.jpg
    MERRILL MANUFACTURING
    Merrill Manufacturing PRVHDNL125 1-1/4 Inch Heavy Duty Pressure Relief Valve
    SKU: PRVHDNL125
    Product DescriptionThe Merrill Manufacturing PRVHDNL125 Pressure Relief Valve is a robust safety device designed for managing system pressures in plumbing applications. Engineally crafted to ensure reliability and longevity, this valve is indispensable in plumbing systems to guard against excessive pressure. Lead-free construction ensures safe...
    $156.41
    $156.41
  • 19330161
    MAXITROL
    Maxitrol R700-1.25 Regulator 1# MaxIn 3-8 Spring
    SKU: R700-1.25
    Product DescriptionThe Maxitrol R700-1.25 is a regulator designed for reliable performance in gas control applications. This part efficiently handles gas pressure management to ensure safe and optimal operation in various systems. Robust design for durability Compatible with multiple gas types Easy installation and maintenance...
    $363.98
    $363.98
  • 182555159.jpg
    PARKER WATTS FLUID AIR
    Parker Watts Fluid Air 06R313AC 1/2 NPT Regulator 0-125#
    SKU: 06R313AC
    Product DescriptionThe Parker Watts Fluid Air 06R313AC is a 1/2 NPT regulator designed for efficient pressure regulation in various applications. This regulator operates between zero and one hundred twenty-five psi, making it suitable for many pneumatic systems. It is built to withstand regular use...
    $123.83
    $123.83
  • 170168160.webp
    ARMSTRONG FLUID TECHNOLOGY
    Armstrong Fluid Technology 207937-343 RD-40 3/4 inch Reducing Valve 12# Replacement
    SKU: 207937-343
    Product DescriptionThe Armstrong Fluid Technology RD-40 is a 3/4 inch reducing valve, expertly designed to regulate water system pressure. This valve is perfect for applications handling inlet pressures up to 150 psi with flow rates ranging from 0.5 to 5 gpm. Trusted for both...
    $307.81
    $307.81
  • 180666063.png
    YORK
    York 022-08882-000 Pressure Relief Valve 1x1NPTFE IN-NPTFI OUT PRV
    SKU: 022-08882-000
    Product DescriptionThe York 022-08882-000 pressure relief valve is designed for optimal pressure control in various HVAC systems. This valve is engineered for efficient performance with a pressure rating of 450 pounds per square inch and features a 1x1NPTFE IN-NPTFI OUT configuration. Effective pressure control...
    $750.97
    $750.97
  • Resideo DS06-100-LF Pressure Reducing Valve Lead-Free Adjustable DialResideo DS06-100-LF Pressure Reducing Valve Lead-Free Adjustable Dial
    RESIDEO BRAUKMANN
    Resideo DS06-100-LF Pressure Reducing Valve Lead-Free Adjustable Dial
    SKU: DS06-100-LF
    Product DescriptionThe Resideo DS06-100-LF Dialset Pressure Reducing Valve, crafted from lead-free brass, integrates advanced engineering to ensure superior performance in residential and commercial water systems. It is especially suitable for potable water applications. Adjustable outlet pressure from 25 psi to 90 psi Features a...
    $91.21
    $91.21
  • Resideo Braukmann DS06-105-SUT-LF Pressure Reducing Valve Lead Free Replacement DS06G1026Resideo Braukmann DS06-105-SUT-LF Pressure Reducing Valve Lead Free Replacement DS06G1026
    RESIDEO BRAUKMANN
    Resideo Braukmann DS06-105-SUT-LF Pressure Reducing Valve Lead Free Replacement DS06G1026
    SKU: DS06-105-SUT-LF
    Product DescriptionThe Resideo Braukmann DS06-105-SUT-LF Pressure Regulating Valve is engineered to maintain consistent outlet pressure, suitable for potable water and various irrigation uses. This lead-free valve adjusts without a gauge and can be installed in multiple configurations. Built-in Dial-Set for easy adjustment. Durable unitized...
    $587.08
    $587.08
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High-Quality Pressure Relief Valves for HVAC Systems

Browse our selection of pressure relief valves, designed to ensure safety and efficient operation of your HVAC systems. These valves are crucial for controlling pressure and preventing damage to your equipment.

Pressure Reducing and Relief Valves

Pressure reducing and relief valves are ideal for regulating and maintaining safe pressure levels in HVAC systems. These valves help protect sensitive components from high-pressure conditions, ensuring longevity and reliable performance.

Water Heater Pressure Valves and Balance Valves

Check out our selection of water heater pressure valves and pressure balance valves. These valves are designed to regulate pressure in water heating systems, ensuring safe and efficient operation in residential and commercial setups.

Frequently Asked Questions

A pressure relief valve is a safety device that automatically releases excess pressure from a system to prevent damage or failure. It is crucial for protecting plumbing, HVAC, and other systems from overpressure situations.

We offer a variety of pressure relief valves, including spring-loaded, diaphragm, and adjustable models, suitable for various HVAC and hydronic systems.

The appropriate pressure relief valve depends on the pressure rating and flow requirements of your system. Refer to product specifications or consult with customer support to find the right valve for your needs.

While installation is straightforward, it is essential to follow the manufacturer’s instructions carefully. If unsure, it’s best to consult a professional to ensure safe and proper installation.

Regular maintenance involves inspecting the valve for leaks, ensuring it functions properly under pressure, and cleaning it to remove any debris. It’s also important to test the valve periodically to ensure it activates at the correct pressure level.

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