Marine Plumbing & Ventilation

3/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination thread#316 Stainless Steel Specifications:Hose Size: 3/4"Material: Stainless SteelBox Dimensions: 3"H x 3"W x 8"L WT: 0.75 lbsUPC:...

2" Bronze Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 2"Material: BronzeBox Dimensions: 4"H x 4"W x 6"L WT: 2.6 lbsUPC: 742985141780

1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 1-1/2"Material: BronzeBox Dimensions: 3"H x 3"W x 7"L WT: 1.65 lbsUPC: 742985141773

1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 1-1/4"Material: BronzeBox Dimensions: 3"H x 3"W x 6"L WT: 1.8 lbsUPC: 742985141766

1" Bronze Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 1"Material: BronzeBox Dimensions: 3"H x 3"W x 6"L WT: 1 lbsUPC: 742985141759

3/4" Bronze Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 3/4"Material: BronzeBox Dimensions: 3"H x 3"W x 7"L WT: 0.8 lbsUPC: 742985141742

Garboard Drain w/Inside T-Handle Plug The ConceptBronze Garboard DrainOnce your boat is in its cradle, sling, lift, or trailer, draining the bilge is easy with a garboard drain. All models install from the outside.

Garboard Drain w/Plug The ConceptOnce your boat is in its cradle, sling, lift, or trailer, draining the bilge is easy with a garboard drain. All models install from the outside.  TD-500 allows draining from outside by removing the square-drive...

SWEETANK Odor Neutralization System - 115VACTHE CONCEPTThe SWEETTANK concept has been developed to stop odors in yacht and RV holding tanks without the use of chemicals or filters. SWEETTANK is standard equipment on THERMOPURE-2 Type-I MSD, in GROCO...

SWEETANK Odor Neutralization System - 12V THE CONCEPTThe SWEETTANK concept has been developed to stop odors in yacht and RV holding tanks without the use of chemicals or filters. SWEETTANK is standard equipment on THERMOPURE-2 Type-I MSD, in GROCO...

2-1/2" Bronze Combo Scoop Thru-Hull w/Nut Features:Designed for increased flow compared to standard Thru HullsNPSM / NPT combination threadC83600 BronzeSpecifications:Thread NPS: 2-1/2" Specifications:Hose Size: 2-1/2"Material: BronzeBox...

2" Bronze Combo Scoop Thru-Hull w/Nut Features:Designed for increased flow compared to standard Thru HullsNPSM / NPT combination threadC83600 BronzeSpecifications:Thread NPS: 2" Specifications:Hose Size: 2"Material: BronzeBox Dimensions:...