• Catalog
  • Contact Us
    • Phone
    +1 (760) 478-7759
    Supply Shop
    0
    HVAC
    Air Conditioning Equipment
    Air Conditioning Equipment
    View All
    Heating Equipment
    Heating Equipment
    View All
    Thermostats & HVAC Controls
    Thermostats & HVAC Controls
    View All
    Commercial HVAC Equipment
    Commercial HVAC Equipment
    View All
    Refrigerant
    Refrigerant
    View All
    HVAC Parts and Components
    HVAC Parts and Components
    View All
    HVAC Supplies
    HVAC Supplies
    View All
    Motors
    Motors
    View All
    PLUMBING
    Fittings
    Fittings
    View All
    Thermostats and Plumbing Controls
    Thermostats and Plumbing Controls
    View All
    Valves
    Valves
    View All
    Plumbing Supplies
    Plumbing Supplies
    View All
    Drinking Water Systems
    Drinking Water Systems
    View All
    Water Filtration Systems
    Water Filtration Systems
    View All
    REFRIGERATION
    Refrigeration Equipment
    Refrigeration Equipment
    View All
    Ice Equipment
    Ice Equipment
    View All
    Food Service Refrigeration
    Food Service Refrigeration
    View All
    Oils
    Oils
    View All
    Refrigeration Controls
    Refrigeration Controls
    View All
    Refrigerant
    Refrigerant
    View All
    Walk-In Coolers & Freezers
    Walk-In Coolers & Freezers
    View All
    Tecumseh RGA5460EXA HG Series Rotary Compressor Side View
    Compressors
    View All
    ELECTRICAL
    TOOLS & TEST INSTRUMENTS
    Tools
    Tools
    View All
    Multimeters
    Multimeters
    View All
    Leak Detectors
    Leak Detectors
    View All
    Refrigeration
    Refrigeration
    View All
    Combustion Analyzers
    Combustion Analyzers
    View All
    Temperature Meters
    Temperature Meters
    View All
    Electrical Testers
    Electrical Testers
    View All
    CO Detectors
    CO Detectors
    View All
    Currencies
    Phone
    +1 (760) 478-7759
    My Cart

    Relief Valves

    Home PLUMBING Valves Full Port Ball Valves

    Categories

    Price

    Type List

    Brand List

    Filter
    Sort by
    Items 1 to 12 of 12 total
    Watts 0011640 3/4" Poppet Type Pressure Relief Valve with Test Lever

    BRAND: Watts

    ID: #HR100-1S9-0103

    Available in 2-4 days

    Sold Out
    Watts 0011640 3/4" Poppet Type Pressure Relief Valve with Test Lever
    This 3/4 inch pressure relief valve is used in residential applications to protect against excessive pressure on domestic storage tanks and tankless water heaters It...
    SKU:
    0011640
    Vendor:
    Watts
    Type:
    Relief Valve
    Availability:
    Out-Stock
    Sold Out
    Watts 0353030 Hot Water Boiler Relief Valve

    BRAND: Watts

    ID: #HR100-1S9-0104

    Available in 2-4 days

    Sold Out
    Watts 0353030 Hot Water Boiler Relief Valve
    This 3/4 inch pressure relief valve is used in hot water boiler applications to protect against excessive pressure on all types of hot water heating...
    SKU:
    0353030
    Vendor:
    Watts
    Type:
    Relief Valve
    Availability:
    Out-Stock
    Sold Out
    Watts 0556033 3/4" Lead Free Poppet Type Pressure Relief Valve Test Lever 125 PSI

    BRAND: Watts

    ID: #HR100-1S9-0102

    Available in 2-4 days

    $213.15 USD
    Watts 0556033 3/4" Lead Free Poppet Type Pressure Relief Valve Test Lever 125 PSI
    This 3/4 inch pressure relief valve is used in residential applications to protect against excessive pressure on domestic storage tanks and tankless water heaters It...
    SKU:
    0556033
    Vendor:
    Watts
    Type:
    Relief Valve
    Availability:
    In-Stock
    $213.15 USD
    Watts 274683 3/4" Boiler Pressure Relief Valve For Protection of Hot Water Heating Boilers

    BRAND: Watts

    ID: #HR100-1S9-0101

    Available in 2-4 days

    $328.65 USD
    Watts 274683 3/4" Boiler Pressure Relief Valve For Protection of Hot Water Heating Boilers
    This 3/4 inch boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all...
    SKU:
    274683
    Vendor:
    Watts
    Type:
    Relief Valve
    Availability:
    In-Stock
    $328.65 USD
    Watts 382570 1" Iron Boiler Pressure Relief Valve 30 PSI For Protection of Hot Water Heating Boilers

    BRAND: Watts

    ID: #HR100-1S9-0100

    Available in 2-4 days

    $537.60 USD
    Watts 382570 1" Iron Boiler Pressure Relief Valve 30 PSI For Protection of Hot Water Heating Boilers
    This 1 inch boiler pressure relief valve is used in hot water space heating boiler applications to protect against excessive pressure on all types of...
    SKU:
    382570
    Vendor:
    Watts
    Type:
    Relief Valve
    Availability:
    In-Stock
    $537.60 USD
    Watts 274836 Water Pressure Safety Relief Valve For Protection of Hot Water Heating Boilers

    BRAND: Watts

    ID: #HR100-1S9-0099

    Available in 2-4 days

    $328.65 USD
    Watts 274836 Water Pressure Safety Relief Valve For Protection of Hot Water Heating Boilers
    This relief valve is used for water heating and supply boilers It provides pressure protection only Its bronze body construction resists corrosive water conditions of...
    SKU:
    274836
    Vendor:
    Watts
    Type:
    Relief Valve
    Availability:
    In-Stock
    $328.65 USD
    Watts 274934 1" Bronze Boiler Pressure Relief Valve 30 PSI For Protection of Hot Water Heating Boilers

    BRAND: Watts

    ID: #HR100-1S9-0098

    Available in 2-4 days

    $556.50 USD
    Watts 274934 1" Bronze Boiler Pressure Relief Valve 30 PSI For Protection of Hot Water Heating Boilers
    This boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of...
    SKU:
    274934
    Vendor:
    Watts
    Type:
    Relief Valve
    Availability:
    In-Stock
    $556.50 USD
    Watts 382008 3/4" Iron Boiler Pressure Relief Valve 30 PSI For Protection of Hot Water Heating Boilers

    BRAND: Watts

    ID: #HR100-1S9-0097

    Available in 2-4 days

    $307.65 USD
    Watts 382008 3/4" Iron Boiler Pressure Relief Valve 30 PSI For Protection of Hot Water Heating Boilers
    This 3/4 inch boiler pressure relief valve is used in hot water space heating boiler applications to protect against excessive pressure on all types of...
    SKU:
    382008
    Vendor:
    Watts
    Type:
    Relief Valve
    Availability:
    In-Stock
    $307.65 USD
    Watts 0011917 3/4" Poppet Type Pressure Relief Valve with Test Lever

    BRAND: Watts

    ID: #HR100-1S9-0096

    Available in 2-4 days

    $80.85 USD
    Watts 0011917 3/4" Poppet Type Pressure Relief Valve with Test Lever
    This 3/4 inch pressure relief valve is used in residential applications to protect against excessive pressure on domestic storage tanks and tankless water heaters It...
    SKU:
    0011917
    Vendor:
    Watts
    Type:
    Relief Valve
    Availability:
    In-Stock
    $80.85 USD
    Watts 0342629 3/4" x 3/4" Bronze Steam Safety Relief Valve

    BRAND: Watts

    ID: #HR100-1S9-0095

    Available in 2-4 days

    $102.90 USD
    Watts 0342629 3/4" x 3/4" Bronze Steam Safety Relief Valve
    This 3/4 x 3/4 inch high capacity safety relief valve is designed for low pressure, steam heating boilers and process equipment used in industrial and...
    SKU:
    0342629
    Vendor:
    Watts
    Type:
    Relief Valve
    Availability:
    In-Stock
    $102.90 USD
    Watts 274428 3/4" Bronze Boiler Pressure Relief Valve 30 PSI For Protection of Hot Water Heating Boilers

    BRAND: Watts

    ID: #HR100-1S9-0094

    Available in 2-4 days

    $276.15 USD
    Watts 274428 3/4" Bronze Boiler Pressure Relief Valve 30 PSI For Protection of Hot Water Heating Boilers
    This boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of...
    SKU:
    274428
    Vendor:
    Watts
    Type:
    Relief Valve
    Availability:
    In-Stock
    $276.15 USD
    Watts 358553 3/4" Iron Boiler Pressure Relief Valve Forged Bronze inlet 30 PSI For Protection of Hot Water Heating Boilers

    BRAND: Watts

    ID: #HR100-1S9-0093

    Available in 2-4 days

    $133.35 USD
    Watts 358553 3/4" Iron Boiler Pressure Relief Valve Forged Bronze inlet 30 PSI For Protection of Hot Water Heating Boilers
    This 3/4 inch pressure relief valve is used in hot water boiler applications to protect against excessive pressure on all types of hot water heating...
    SKU:
    358553
    Vendor:
    Watts
    Type:
    Relief Valve
    Availability:
    In-Stock
    $133.35 USD

    Shop Relief Valves at SupplyShop

    Find relief valves for plumbing, water-treatment, repair, and maintenance work. Browse options such as Relief Valve. Compare brands such as Watts when a direct replacement or approved brand matters.

    How to choose relief valves

    • Match the product page details to the equipment nameplate, project plan, or replacement part requirements.
    • Compare material, connection type, size, pressure or temperature rating, code requirements, and media compatibility where they apply.
    • Use product photos, manuals, model numbers, and SKU details to confirm the selection before checkout.

    Before you order

    Review availability, freight or parcel shipping needs, return eligibility, and installation requirements before checkout. If the job depends on exact fit, have the model number, measurements, photos, or replacement requirements ready before contacting SupplyShop.