Free standard shipping on eligible US orders $500+

Legend 1-1/4″ Dielectric Union FIP NPT Gas Pipe Fitting | MFG# 301-336 10LP5301

SKU: 10LP5301

$42.00

Only 2 left in stock

Same-item volume pricing
QuantityUnit priceSaving
1–4$42.000%
5–9$39.905%
10+$37.8010%

Estimate for this quantity before shipping. Tax display follows store settings. Existing cart quantities can increase the tier. Only one offer applies; a coupon replaces automatic pricing. For 20+ units, contact support for a quote.

Available to order: 2.

Bulk quantity & quote

Enter the total quantity you need. We will confirm availability and a quote before you order.

Request this quantity →

Overview

Legend 1-1/4″ Dielectric Union – Female NPT Gas & Hydronic Systems FittingThis heavy-duty Legend 1-1/4″ dielectric union provides a safe, corrosion-resistant connection between dissimilar metals in LP gas, natural gas, hydronic heating, boiler, and water system installations. Built with a durable steel body and an insulating dielectric gasket, this fitting prevents electrolysis, extending the service life of your piping system.

Perfect for industrial and commercial plumbing or gas contractors needing a reliable dielectric barrier when transitioning between steel, copper, or brass piping.

Key Features1-1/4″ Female NPT Threads — compatible with standard gas and water pipingDielectric Insulating Seal — prevents galvanic corrosion between dissimilar metals

Ideal for LP Gas, Natural Gas, Hydronic Heating, and HVAC applicationsHeavy-Duty Machined Construction for long-term durabilityOEM Reference: MFG# 301-336 | DLP# 10LP5301

Suitable for both commercial and industrial system installations

Use WithLP gas distribution systemsNatural gas pipingBoilers, hydronic heating loopsBlack iron, brass, or copper pipe transitionsGas regulators, valves, unions, and fittingsA dependable dielectric union designed for long-term corrosion prevention and professional-grade performance.

Product details

Part / SKU 10LP5301

Package includes

  • Legend 1-1/4″ Dielectric Union FIP NPT Gas Pipe Fitting | MFG# 301-336 10LP5301

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

Explore related products

More products in this category. Compare specifications and fit for your application.