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Spears PVC DWV Trap Adapter with Nut, 1-1/2 x 1-1/4 Spigot x Slip
The Spears PVC DWV Trap Adapter is a male-threaded transition fitting engineered specifically for drain-waste-vent (DWV) plumbing systems, reducing from a 1-1/2 pipe size down to 1-1/4 for flexible, reliable pipe-size transitions in residential and light commercial drain lines. Manufactured from durable, rigid PVC and finished with a spigot x slip (SPGxS) connection configuration, this trap adapter arrives complete with a nut that helps create a secure, leak-resistant seal at the trap connection point. As part of the Spears PVC & CPVC Fittings lineup within the Fittings and Valves product subgroup, it delivers a dependable, code-compliant fitting solution for professional plumbers, contractors, and facility maintenance teams working on drain-waste-vent installations and repairs.
Key Features
- Reducing Size Transition: Connects 1-1/2 pipe on one end to 1-1/4 pipe on the other, allowing flexible sizing adjustments within drain-waste-vent lines without requiring additional reducer fittings.
- PVC DWV Construction: Molded from rigid, durable PVC material specifically formulated for drain-waste-vent plumbing applications, supporting long-term performance in drain systems.
- Spigot x Slip (SPGxS) Connection: Features a male spigot end paired with a slip socket end, enabling straightforward solvent-weld installation directly into compatible DWV piping and trap assemblies.
- Included Nut: Ships complete with a nut for creating a secure, adjustable trap seal at the connection point, eliminating the need for separately sourced hardware.
- Male Trap Adapter Design: Purpose-built as a male trap adapter (M T/ADPT) to connect trap arms to drain piping in bathroom, kitchen, and utility drain applications.
- Plumbing Department Classification: Organized within the Spears PVC & CPVC Fittings product group and Fittings and Valves subgroup for easy identification and ordering within plumbing supply catalogs.
- Versatile Drain Line Compatibility: Suited for a variety of residential and light commercial drain-waste-vent configurations requiring a size transition with a secure, threaded connection.
Technical Specifications
- list_batch: SPR-20260918
- Product Type: PVC DWV Trap Adapter
- Department: Plumbing
- Product Group: PVC & CPVC Fittings
- Product Subgroup: Fittings and Valves
Typical Applications
- Residential Bathroom and Kitchen Drain Lines
- Commercial Restroom Plumbing Systems
- Multi-Family Residential Plumbing Installations
- New Construction Drain-Waste-Vent Systems
- Plumbing Repair and Retrofit Projects
- Light Commercial Facility Plumbing
- Industrial Facility Drainage Systems
Why Spears?
Spears PVC DWV fittings are manufactured to deliver dependable, code-compliant performance for drain-waste-vent plumbing systems across residential and commercial applications. This trap adapter's rigid PVC construction, spigot x slip connection, and included nut combine to create a practical, reliable fitting choice for professional plumbers, contractors, and facility maintenance teams handling drain line transitions and repairs.
Manufacturer Resources
DWV Dimensions
Product Specs
- list_batch:
- SPR-20260918
- Product Type:
- PVC DWV Trap Adapter
- Department:
- Plumbing
- Product Group:
- PVC & CPVC Fittings
- Product Subgroup:
- Fittings and Valves
Spears P103P-212 – Frequently Asked Questions
1) What do the 1-1/2 x 1-1/4 sizes on the Spears P103P-212 trap adapter actually connect to?
The P103P-212 is a reducing trap adapter: the 1-1/2 inch end is a spigot (male) that solvent welds into a 1-1/2 inch DWV socket fitting, and the 1-1/4 inch end is the slip side that takes the 1-1/4 inch trap tubing with the supplied nut and washer compression connection. So it is the transition from a 1-1/2 inch drain stub to a 1-1/4 inch trap arm, typical of a lavatory.
2) Can I glue both ends of this PVC trap adapter?
No. Only the 1-1/2 inch spigot end is solvent welded, and it goes into the hub of a mating DWV fitting. The 1-1/4 inch slip end is a mechanical joint made up with the nut and washer so the trap can be taken apart for cleaning. Gluing the slip side defeats the point of a trap adapter.
3) Will this fit a 1-1/2 inch trap, or do I need a different adapter?
The slip side on the P103P-212 is sized for 1-1/4 inch trap tubing, so a 1-1/2 inch P-trap will not make up in it. For a 1-1/2 inch kitchen or tub trap you need a straight 1-1/2 x 1-1/2 trap adapter in the same Spears P103P series rather than this reducing size.
4) Does the Spears trap adapter come with the slip nut, or do I buy that separately?
The nut ships with the fitting. Spears supplies the P103P-212 complete with its slip nut for the trap connection, so you are not sourcing hardware separately on the truck.
5) What is the correct part number to order for a Spears 1-1/2 x 1-1/4 male trap adapter with nut?
Order Spears P103P-212. That is the PVC DWV male trap adapter, 1-1/2 inch spigot by 1-1/4 inch slip, supplied with the nut.
6) Can a property maintenance tech use this on a bathroom lavatory drain rough-in?
Yes, that is the usual spot for it. It connects a trap arm to the drain piping in bathroom, kitchen and utility applications, and it is used in residential, multi-family and light commercial restroom drain lines as well as repair and retrofit work.
7) Where can I get laying lengths and socket depths for this Spears DWV fitting?
Spears publishes dimensional data for its PVC DWV fittings in two reference sheets, the DWV Dimensions sheet and the PVC DWV Fittings Dimensions sheet, both linked on the product record. Those are what you use to work out take-out length before cutting the drain stub.
How fast can I get the Spears P103P-212 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Spears P103P-212 come with a warranty?
Absolutely. The Spears P103P-212 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Spears P103P-212?
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