Opens in a new tab
Free standard shipping on eligible US orders $500+

B&K 1-1/4″ x 1-1/4″ x 1/2″ Galvanized Reducing Tee NPT Gas Pipe Fitting | MFG# 5

SKU: 510-663
Weight 1 lbs
Dimensions 8 × 8 × 8 in

$10.49

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing
QuantityUnit priceSaving
1–4$10.490%
5–9$9.975%
10+$9.4410%

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.

Bulk quantity & quote

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

Request this quantity →

Need a firm ship date? Availability may include supplier stock. Confirm availability before ordering for time-sensitive work.

Processing times & shipping information

Overview

B&K 1-1/4" x 1-1/4" x 1/2" Galvanized Reducing Tee – NPT Threaded Gas & Plumbing FittingThis B&K galvanized reducing tee provides a durable, corrosion-resistant connection for gas and plumbing systems requiring a transition from 1-1/4" NPT piping to a 1/2" branch line. Made from heavy-duty cast galvanized steel, this tee is ideal for LP gas, propane, natural gas, hydronic heating, and industrial piping installations.

Designed with precision-cut female NPT threads, the fitting ensures a tight, leak-resistant seal, even in demanding commercial and industrial environments.

Key Features1-1/4" x 1-1/4" x 1/2" Reducing Tee with NPT threaded ends

Corrosion-resistant galvanized steel construction

Suitable for LP gas, propane, natural gas, water, and hydronic pipingCast design provides strength and longevity

Ideal for contractors, gas technicians, and industrial system installersOEM Part Numbers: MFG# 510-663, Alternative ID: 1K546GApplications

Propane and LP gas distribution systemsNatural gas manifold pipingHydronic boilers & heating loops

Commercial plumbing

Industrial pipe branches requiring size reductionA reliable reducing tee built for high-demand applications, perfect for professionals who need durability and corrosion resistance.

Product details

Part / SKU 510-663

Package includes

  • B&K 1-1/4" x 1-1/4" x 1/2" Galvanized Reducing Tee NPT Gas Pipe Fitting | MFG# 5

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

Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.

For help, send a parts inquiry with the part number, equipment model, label photos and quantity. Manufacturer documents and item-specific information, when supplied, are in the product details above.

Availability may include our inventory and supplier sources. Listed stock does not by itself confirm immediate dispatch. Ask us to confirm a ship date before ordering for time-sensitive work.

Shipping methods and charges appear at checkout where available. Freight, oversized and specially handled items may require a quote. See our Shipping Policy for processing periods, restrictions and delivery information.

Explore related products

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