1. Boat Plumbing-Ventilation Offered
  2. sku: 8052707911110723
  3. VIEGA 91930

VIEGA 91930 Megapress Fkm Union 316 3/4

91930 Viega Megapress 316 Fkm 3/4 Inch Union

( Brand: Viega ), ( Manufacturer Part Number: 91930 )

Review VIEGA Megapress 316 Fkm 3/4 Inch Union

The Viega 91930 Megapress XL Fitting is a high-performance plumbing component designed for use with copper tubing in residential and commercial applications. This fitting, specifically, is a 3/4 inch union with a 316L stainless steel body and FKM (Kalrez) sealing material.

The Megapress XL fitting utilizes Viega's proprietary press connection technology, which allows for quick and secure installation without the need for soldering or the use of threaded connections. This technology also ensures a leak-free and reliable seal, even under high water pressure.

The 316L stainless steel body of the Viega 91930 fitting is known for its superior strength and corrosion resistance. This material makes the fitting ideal for use in harsh environments, such as those with high water chloride levels, high water temperatures, or high water pressures.

The FKM (Kalrez) sealing material used in this fitting is a high-performance elastomer that offers excellent resistance to chemicals, ozone, and weathering. It is specifically designed for use in plumbing applications that require long-lasting seals in challenging environments.

The 3/4 inch union design of the Viega 91930 Megapress XL Fitting allows for easy installation and disassembly, making it a versatile and practical choice for plumbing projects. The union also ensures that any potential leaks can be easily identified and addressed, minimizing the risk of water damage and other issues.

Overall, the Viega 91930 Megapress XL Fitting is a high-quality and reliable plumbing component that offers numerous benefits for those in need of a durable and efficient solution for their copper piping applications. Its use of advanced materials, innovative technology, and practical design make it a top choice for plumbers and homeowners alike.

The Viega 91930 Megapress 316 FKM 3/4 Union is a press fitting system designed for joining copper, stainless steel, and other compatible piping materials. Here are some pros and cons of using this product in your plumbing projects:

Pros:

1. Leak-free connections: Megapress technology uses compression and cold forging to create a leak-free connection between pipes and fittings.

2. Time-saving: This system allows for quick and easy installation, reducing the time needed for traditional soldering or threading methods.

3. Environmentally friendly: Since no torches or open flames are required, Megapress is considered a more eco-friendly option compared to soldering.

4. Durability: The 316L stainless steel material of the fittings ensures high resistance to corrosion and long-lasting performance.

5. Versatility: The Megapress system can be used for both new installations and repairs, making it a versatile choice for various plumbing applications.

Cons:

1. Initial investment: The cost of Megapress fittings and tools can be more expensive compared to traditional methods.

2. Tool requirement: To use the Megapress system, you'll need to invest in the necessary tools like the press tool and the fitting crimping tool.

3. Limited pipe sizes: The Megapress system is primarily designed for smaller pipe sizes. Larger pipes may require different press fitting solutions.

4. Incompatible with some materials: The Megapress system is not suitable for PEX (Cross-Linked Polyethylene) or PVC (Polyvinyl Chloride) piping.

In conclusion, the Viega 91930 Megapress 3/4 Union system offers several advantages, such as leak-free connections, time-saving installation, and durability. However, it also comes with some disadvantages, including the initial investment, tool requirements, and limited pipe size compatibility.

Based on the information provided, it is recommended to consider the specific requirements of your plumbing project before deciding on the Megapress system. If you're dealing with smaller pipe sizes, need a leak-free connection, and are willing to invest in the necessary tools, Megapress could be a good choice. However, if you're working with larger pipes, have a limited budget, or prefer a more traditional approach, other methods might be more suitable for your needs.

part # 91930 prices

  • $374.62-$454.85

specifications vesselvent:

  • brand: Viega
  • manufacturer part number: 91930

shipping vesselvent:

  • class: Standard, Economy
  • cost: $15.25
  • type: Calculated
  • transit: 4-9 Days
  • carrier: USPS, FedEx
  • service: USPS Ground Advantage, FedEx Ground Economy

payments vesselvent:

  • wallet: Google-pay
  • credit card: Discover
  • other

seller vesselvent:

  • # reviews: 3640
  • rating: 99.2%

general vesselvent:

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

offer vesselvent:

  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • started: February 21, 2026
  • quantity: 4

returns vesselvent:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted
category: boat parts > plumbing ventilation, sku: 8052707911110723,

Viega 91930 Is Similar To:

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5 offers $374.62–$454.85 USD
  • Offer #1: $374.62 price + free delivery = $374.62* total. Press connection. 316 stainless steel.FREE SHIPPING
  • Offer #2: $419.69 price + $14.10 delivery = $433.79* total. Viega Literature Download Quick Reference Guide Viega Fittings.+$14.10 shipping
  • Offer #3: $454.85 price + $16.45 delivery = $471.30* total.+$16.45 shipping
  • Offer #4: $410.14 price + free delivery = $410.14* total. Ideal for industrial, marine, and offshore applications, it integrates Viega's patented Smart Connect technology for assured connection integrity.FREE SHIPPING
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