FORESPAR 17-1207 Marelon Flange Mount Seacock Npsm 849 1-1/2

( Brand: Forespar ), ( Part Type: Flange Mount ), ( Manufacturer Part Number: 17-1207 ), ( Country Of Origin: United States )

Review FORESPAR Marelon 849 Flange Mount Seacock 1-1/2 Inch Npsm

The Forespar 17-1207 Marelon 849 Flange Mount Seacock is a high-performing, reliable marine accessory designed for seawater applications. This seacock, which measures 1-1/2 inches in nominal pipe size (NPS), boasts several notable features that make it an excellent choice for boat owners.

The seacock is constructed using Forespar's proprietary Marelon material, a composite of modified polymers and mineral reinforcements, providing unparalleled strength and durability. This material is resistant to blistering, corrosion, and cracking, ensuring a long service life even in the harshest marine environments.

This Forespar seacock features a flange mount design, which allows for easy installation and removal. The flange can be welded or bolted to the hull, providing a secure connection to the seawater system. The seacock also comes with a 316L stainless steel locking nut and gasket, ensuring a watertight seal.

The Forespar 17-1207 Marelon 849 Flange Mount Seacock is designed for seawater applications, making it suitable for various marine systems, such as raw water intake, water ballast, and bilge drainage. It is also compatible with both through-hull and above-deck installations.

This seacock is also equipped with a valve, allowing for the control of seawater flow. The valve can be operated manually or automated, depending on the boat's specific requirements. The valve is also designed to be easily accessible for maintenance and repair.

In summary, the Forespar 17-1207 Marelon 849 Flange Mount Seacock is a robust and reliable marine accessory, constructed using Forespar's proprietary Marelon material, which provides strength, durability, and resistance to corrosion. Its flange mount design allows for easy installation and removal, and it is suitable for various marine systems and installations. The seacock also comes with a valve for controlling seawater flow, making it a versatile and valuable addition to any boat.

Forespar Marelon 849 Flange Mount Seacock (1-1/2 NPSM): A Detailed Analysis

The Forespar Marelon 849 Flange Mount Seacock is a popular choice among boat owners due to its durability and corrosion-resistant properties. This seacock is designed for 1-1/2 inch NPSM (National Pipe Thread, Male) applications. In this analysis, we will discuss the pros and cons of purchasing this seacock, followed by an Recommendation.

1. Corrosion-resistant: The Forespar Marelon 849 Seacock is made from Marelon material, which is a blend of resin and ceramic particles. This makes it highly resistant to corrosion, making it an excellent choice for seawater applications.

2. Leak-free: The seacock's design and materials ensure a leak-free connection, providing peace of mind for boat owners.

3. Easy to install: The flange mount design allows for easy installation, and the seacock can be installed in both above- and below-deck applications.

4. Versatile: The 1-1/2 inch NPSM size makes it a versatile option for various plumbing applications on a boat.

5. Lightweight: Despite its durability, the Forespar Marelon 849 Seacock is relatively lightweight, making it easier to handle during installation.

1. Cost: Compared to traditional brass or plastic seacocks, the Forespar Marelon 849 Seacock can be more expensive.

2. Limited sizes: The Forespar Marelon 849 Seacock is only available in a 1-1/2 inch NPSM size, which may not be suitable for all applications.

3. Requires specific tools: Installing the Forespar Marelon 849 Seacock may require specialized tools, which could add to the overall cost and complexity of the installation.

The Forespar Marelon 849 Flange Mount Seacock is a reliable and durable option for boat owners looking for a corrosion-resistant seacock for their 1-1/2 inch NPSM applications. Although it may come with a higher price tag and require specific tools for installation, its benefits, such as leak-free performance and ease of installation, outweigh the cons.

If you are in the market for a high-quality, corrosion-resistant seacock for your boat, the Forespar Marelon 849 Flange Mount Seacock is an excellent choice. While it may be more expensive than other options, its durability, ease of installation, and leak-free performance make it a worthwhile investment for boat owners.

part # 171207 price

• $125.00

specifications vesselvent:

• brand: Forespar
• part type: Flange Mount
• manufacturer part number: 17-1207
• country of origin: United States

general vesselvent:

• condition: New
• Parts Accessories > Boat Parts > Plumbing Ventilation

payments vesselvent:

• other
• wallet: Paypal
• credit card: Diners-club

seller vesselvent:

• # reviews: 963
• rating: 100.0%

offer vesselvent:

• quantity: 2
• sold: 0
• options: Ship-to-home
• best offers: True
• availability: In Stock
• started: October 23, 2025

returns vesselvent:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

shipping vesselvent:

• class: Economy, Standard
• type: Calculated
• service: UPS Ground Saver, USPS Ground Advantage, FedEx Ground Economy, FedEx Ground / FedEx Home Delivery
• transit: 5-11 Days
• cost: $17.60
• carrier: UPS, USPS, FedEx

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