Marelon Integrated Plumbing

Forespar's Marelon® Integrated Plumbing Systems designed to meet your boats plumbing needs.  Precision moulded plumbing systems for use above and below the waterline. It's unique design provides easy installation in a wide variety of valve configurations. 

Marelon is the perfect material for marine plumbing systems. It's non-corrosive proprietary formulation of polymer composite compounds use a resins and additives to produce a superior marine-grade product.

Forespar® "93" Series of Valves and Thru-hull fittings meet all design criteria and exceed all mechanical property requirements specified by the International Standards Organisation. (OSO150/188) Small Craft Seacocks and Thru-hull Fittings - Part 2: Non-Metallic.

 For more information on Forespar's marine plumbing go to our Buying Guides.

Arrows on Marelon Integrated Plumbing images indicate water flow direction.

 

Engine Flush Mushroom thru-hull valve 90° hose barb + hose thread 2 inch

Engine Flush Mushroom thru-hull valve 90° hose barb + hose thread 2 inch

$309.65
Flush thru-hull 90° valve with straight barb 1-1/4 inch

Flush thru-hull 90° valve with straight barb 1-1/4 inch

$311.55
Flush thru-hull 90° valve with straight barb 1inch

Flush thru-hull 90° valve with straight barb 1inch

$289.95
Flush thru-hull valve 90° hose barb + 90° barb 1-1/2 inch

Flush thru-hull valve 90° hose barb + 90° barb 1-1/2 inch

$411.15
Flush thru-hull valve 90° hose barb + 90° barb 1/2 inch

Flush thru-hull valve 90° hose barb + 90° barb 1/2 inch

$170.15
Flush thru-hull valve 90°hose barb + blank cap 1 inch

Flush thru-hull valve 90°hose barb + blank cap 1 inch

$213.50
Flush thru-hull valve 90°hose barb + blank cap 1/2 inch

Flush thru-hull valve 90°hose barb + blank cap 1/2 inch

$161.50
Flush thru-hull valve 90°hose barb + blank cap 3/4 inch

Flush thru-hull valve 90°hose barb + blank cap 3/4 inch

$168.75
Flush thru-hull valve with female thread 1/2 inch

Flush thru-hull valve with female thread 1/2 inch

$159.80
Flush thru-hull valve with female thread 3/4 inch

Flush thru-hull valve with female thread 3/4 inch

$155.50
Flush thru-hull valve with straight barb 1-1/2 inch

Flush thru-hull valve with straight barb 1-1/2 inch

$242.90
Flush thru-hull valve with straight barb 1/2 inch

Flush thru-hull valve with straight barb 1/2 inch

$162.80
Flush thru-hull valve with straight barb 1inch

Flush thru-hull valve with straight barb 1inch

$204.40
Flush thru-hull valve with straight barb 3/4 inch

Flush thru-hull valve with straight barb 3/4 inch

$155.50
Mushroom thru-hull 90° valve with female pipe thread 1-1/2 inch

Mushroom thru-hull 90° valve with female pipe thread 1-1/2 inch

$411.15
Mushroom thru-hull 90° valve with female pipe thread 3/4 inch

Mushroom thru-hull 90° valve with female pipe thread 3/4 inch

$180.30
Mushroom thru-hull 90° valve with straight barb 1 1/4 inch

Mushroom thru-hull 90° valve with straight barb 1 1/4 inch

$310.15
Mushroom thru-hull 90° valve with straight barb 1 inch

Mushroom thru-hull 90° valve with straight barb 1 inch

$289.95
Mushroom thru-hull 90° valve with straight barb 1-1/4 inch

Mushroom thru-hull 90° valve with straight barb 1-1/4 inch

$310.15
Mushroom Thru-Hull NPSM Valve with straight barb 3/4 inch

Mushroom Thru-Hull NPSM Valve with straight barb 3/4 inch

$160.05
Mushroom thru-hull valve 90° hose barb + 90° barb 1 inch

Mushroom thru-hull valve 90° hose barb + 90° barb 1 inch

$213.50
Mushroom thru-hull valve 90° hose barb + 90° barb 1-1/2 inch

Mushroom thru-hull valve 90° hose barb + 90° barb 1-1/2 inch

$402.50
Mushroom thru-hull valve 90° hose barb + 90° barb 1/2 inch

Mushroom thru-hull valve 90° hose barb + 90° barb 1/2 inch

$165.40
Mushroom thru-hull valve 90° hose barb + 90° barb 3/4 inch

Mushroom thru-hull valve 90° hose barb + 90° barb 3/4 inch

$169.45
Mushroom thru-hull valve 90° hose barb + female thread 3/4 inch

Mushroom thru-hull valve 90° hose barb + female thread 3/4 inch

$195.30
Mushroom thru-hull valve 90°hose barb + blank cap 1-1/2 inch

Mushroom thru-hull valve 90°hose barb + blank cap 1-1/2 inch

$261.05
Mushroom thru-hull valve 90°hose barb + blank cap 1-1/4 inch

Mushroom thru-hull valve 90°hose barb + blank cap 1-1/4 inch

$217.80
Mushroom thru-hull valve 90°hose barb + blank cap 1/2 inch

Mushroom thru-hull valve 90°hose barb + blank cap 1/2 inch

$161.05
Mushroom thru-hull valve 90°hose barb + blank cap 1inch

Mushroom thru-hull valve 90°hose barb + blank cap 1inch

$213.50
Mushroom thru-hull valve 90°hose barb + blank cap 2 inch

Mushroom thru-hull valve 90°hose barb + blank cap 2 inch

$300.60
Mushroom thru-hull valve 90°hose barb + blank cap 3/4 inch

Mushroom thru-hull valve 90°hose barb + blank cap 3/4 inch

$169.75
Mushroom thru-hull valve with 90° barb 1 inch

Mushroom thru-hull valve with 90° barb 1 inch

$208.15
Mushroom thru-hull valve with 90° barb 1-1/2 in.

Mushroom thru-hull valve with 90° barb 1-1/2 in.

$245.55
Mushroom thru-hull valve with 90° barb 1-1/4 inch

Mushroom thru-hull valve with 90° barb 1-1/4 inch

$205.50
Mushroom thru-hull valve with 90° barb 1/2 inch

Mushroom thru-hull valve with 90° barb 1/2 inch

$155.05
Mushroom thru-hull valve with 90° barb 2 inch

Mushroom thru-hull valve with 90° barb 2 inch

$296.30
Mushroom thru-hull valve with 90° barb 3/4 inch

Mushroom thru-hull valve with 90° barb 3/4 inch

$155.45
Mushroom Thru-Hull Valve with female NPSM thread 1-1/2 inch

Mushroom Thru-Hull Valve with female NPSM thread 1-1/2 inch

$242.90
Mushroom Thru-Hull Valve with female NPSM thread 1-1/4 inch

Mushroom Thru-Hull Valve with female NPSM thread 1-1/4 inch

$207.10
Mushroom Thru-Hull Valve with female NPSM thread 1inch

Mushroom Thru-Hull Valve with female NPSM thread 1inch

$194.80
Mushroom Thru-Hull Valve with female NPSM thread 2 inch

Mushroom Thru-Hull Valve with female NPSM thread 2 inch

$296.30
Mushroom Thru-Hull Valve with female NPSM thread 3/4 inch

Mushroom Thru-Hull Valve with female NPSM thread 3/4 inch

$155.45
Mushroom Thru-Hull Valve with female thread 1/2 inch

Mushroom Thru-Hull Valve with female thread 1/2 inch

$155.05
Mushroom thru-hull valve with straight barb 1 inch

Mushroom thru-hull valve with straight barb 1 inch

$202.80
Mushroom thru-hull valve with straight barb 1-1/2 inch

Mushroom thru-hull valve with straight barb 1-1/2 inch

$245.55
Mushroom thru-hull valve with straight barb 1-1/4 inch

Mushroom thru-hull valve with straight barb 1-1/4 inch

$205.50
Mushroom Thru-Hull Valve with straight barb 1/2 inch

Mushroom Thru-Hull Valve with straight barb 1/2 inch

$158.15
Mushroom thru-hull valve with straight barb 2 inch

Mushroom thru-hull valve with straight barb 2 inch

$300.60
Straight body valve Female thread to 90° hose barb 1-1/4 inch

Straight body valve Female thread to 90° hose barb 1-1/4 inch

$269.75
Straight body valve Female thread to female thread 1-1/2 inch

Straight body valve Female thread to female thread 1-1/2 inch

$253.55

Related Content

Marelon® - Marine Grade Plumbing Systems

In the late 1970’s we (Forespar) undertook a search for a material that could replace the traditional bronze plumbing components used in boats.

Read more