Watts 40L & 40XL T&P Relief Valves

Watts Series 40L, 40XL 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. These Watts Relief Valves feature a bronze 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.

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  • 3/4" 40XL-5 T&P Relief Valve (125 psi) View Specs
    • SKU: 0156481
    • Brand: Watts

    $158.85 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 3/4" LF40L-3 Lead Free T&P Relief Valve (150 psi) View Specs

    $104.95 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 3/4" 40XL-5 T&P Lead Free Relief Valve (125 psi) View Specs

    $227.95 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 3/4" 40L-3 T&P Relief Valve (150 psi) View Specs
    • SKU: 0153614
    • Brand: Watts

    $87.59 / each

    In Stock! (1 Available) Ships in 24-48 Hrs
  • 3/4" 40XL-5 T&P Relief Valve (150 psi) View Specs
    • SKU: 0156731
    • Brand: Watts

    $56.69 / each

    $272.25 / box
    5 x $54.45

    In Stock! (1 Available) Ships in 24-48 Hrs
  • 3/4" 40XL-5 Lead Free T&P Relief Valve (150 psi) View Specs

    $75.95 / each

    $366.25 / box
    5 x $73.25

    In Stock! (3 Available) Ships in 24-48 Hrs
  • 3/4" 40XL-8 T&P Relief Valve (150 psi) View Specs
    • SKU: 0158774
    • Brand: Watts

    $115.95 / each

    $335.85 / box
    3 x $111.95

    In Stock! (2 Available) Ships in 24-48 Hrs
  • 3/4" 40XL-8 Lead Free T&P Relief Valve (150 psi) View Specs

    $138.95 / each

    $401.85 / box
    3 x $133.95

    In Stock! (2 Available) Ships in 24-48 Hrs
  • 3/4" 40XL-8 T&P Relief Valve (95 psi) View Specs
    • SKU: 0158670
    • Brand: Watts

    $245.95 / each

    In Stock! (1 Available) Ships in 24-48 Hrs
  • 1" 40XL-4 Lead Free T&P Relief Valve (150 psi) View Specs

    $99.95 / each

    $482.25 / box
    5 x $96.45

    In Stock! (8 Available) Ships in 24-48 Hrs
  • 1" LF40L-2 Lead Free T&P Relief Valve (150 psi) View Specs

    $143.35 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 1" 40L-2 T&P Relief Valve (150 psi) View Specs
    • SKU: 0154830
    • Brand: Watts

    $129.95 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 1" 40XL-7 T&P Relief Valve (150 psi) View Specs
    • SKU: 0163765
    • Brand: Watts

    $122.95 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 1" LF40XL-7 Lead Free T&P Relief Valve (150 psi) View Specs

    $142.95 / each

    Non-Stock Item Allow 7-10 Days to Ship Out