Watts 174A Pressure Relief Valves

Watts Series 174A Boiler Pressure Relief Valves are used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment. It consists of a bronze body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non-metallic disc-to-metal seating, stainless steel spring, and test lever.

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  • 3/4" 174A Relief Valve (30lb) View Specs
    • SKU: 0274428
    • Brand: Watts

    $54.97 / each

    In Stock! (12 Available) Ships in 24-48 Hrs
  • 3/4" 174A Relief Valve (50lb) View Specs
    • SKU: 0274513
    • Brand: Watts

    $68.11 / each

    In Stock! (6 Available) Ships in 24-48 Hrs
  • 3/4" 174A Relief Valve (40lb) View Specs
    • SKU: 0274479
    • Brand: Watts

    $80.73 / each

    In Stock! (3 Available) Ships in 24-48 Hrs
  • 3/4" LF174A Lead Free Relief Valve (40lb) View Specs
    • SKU: 0121463
    • Brand: Watts

    $103.12 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 3/4" 174A Relief Valve (75lb) View Specs
    • SKU: 0274598
    • Brand: Watts

    $70.91 / each

    In Stock! (3 Available) Ships in 24-48 Hrs
  • 3/4" LF174A Lead Free Relief Valve (75lb) View Specs
    • SKU: 0121470
    • Brand: Watts

    $88.72 / each

    In Stock! (1 Available) Ships in 24-48 Hrs
  • 3/4" 174A Relief Valve (100lb) View Specs
    • SKU: 0274683
    • Brand: Watts

    $70.43 / each

    In Stock! (2 Available) Ships in 24-48 Hrs
  • 3/4" LF174A Lead Free Relief Valve (100lb) View Specs
    • SKU: 0121475
    • Brand: Watts

    $96.57 / each

    In Stock! (1 Available) Ships in 24-48 Hrs
  • 3/4" 174A Relief Valve (125lb) View Specs
    • SKU: 0274751
    • Brand: Watts

    $65.63 / each

    In Stock! (8 Available) Ships in 24-48 Hrs
  • 3/4" LF174A Lead Free Relief Valve (125lb) View Specs
    • SKU: 0121479
    • Brand: Watts

    $137.55 / each

    In Stock! (1 Available) Ships in 24-48 Hrs
  • 3/4" 174A Relief Valve (150lb) View Specs
    • SKU: 0274836
    • Brand: Watts

    $67.90 / each

    In Stock! (9 Available) Ships in 24-48 Hrs
  • 3/4" LF174A Lead Free Relief Valve (150lb) View Specs
    • SKU: 0121484
    • Brand: Watts

    $137.55 / each

    In Stock! (1 Available) Ships in 24-48 Hrs
  • 1" 174A Relief Valve (30lb) View Specs
    • SKU: 0274934
    • Brand: Watts

    $140.06 / each

    In Stock! (4 Available) Ships in 24-48 Hrs
  • 1" 174A Relief Valve (45lb) View Specs
    • SKU: 0275024
    • Brand: Watts

    $169.85 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 1" 174A Relief Valve (50lb) View Specs
    • SKU: 0275054
    • Brand: Watts

    $162.04 / each

    In Stock! (1 Available) Ships in 24-48 Hrs
  • 1" 174A Relief Valve (75lb) View Specs
    • SKU: 0275174
    • Brand: Watts

    $167.61 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 1" LF174A Lead Free Relief Valve (75lb) View Specs
    • SKU: 0121494
    • Brand: Watts

    $194.94 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 1" 174A Relief Valve (125lb) View Specs
    • SKU: 0275404
    • Brand: Watts

    $145.21 / each

    In Stock! (1 Available) Ships in 24-48 Hrs
  • 1" LF174A Lead Free Relief Valve (125 lb) View Specs
    • SKU: 0121504
    • Brand: Watts

    $195.48 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 1" 174A Relief Valve (55lb) View Specs
    • SKU: 0275056
    • Brand: Watts

    $238.95 / each

    In Stock! (1 Available) Ships in 24-48 Hrs