SeaLand, 1-1/2" Holding Tank Relief Valve

Mfr: SeaLand
SeaLand, 1-1/2" Holding Tank Relief Valve
SKU: 220375
Mfg# 313255247
UNIT: Each
Typically Ships Out in 2 Business Days

Protects Holding Tank from excessive suction by dockside pumps

  • Universal Holding Tank relief valve
  • Easy to install
  • Special sealing ring provided - no sealant or spinweld required
  • Excellent odor seal
  • Durable and reliable
  • Meets proposed ISO standard for 1-1/2" (38mm) venting requirements

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The length of the warranty may vary by product, please refer to your product for the exact terms and conditions of the warranty for your purchase.


  • All returns must be recevied within 30 days of receipt of the order.
  • Manufacturer defects reported within 30 days of receipt will be supplied a pre-paid label for return shipping upon approval.
  • Please contact Go2marine LFS Marine and Outdoor for Manufacture Defects, Returns and help with Warranties.