We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

WATTS Roof Drain: 14 1/8 in Overall Dia, 12 1/2 in Overall Ht, 3 in Nominal Pipe Size - Primary Roof Drains
WATTSPrimary Roof Drains

WATTS Roof Drain: 14 1/8 in Overall Dia, 12 1/2 in Overall Ht, 3 in Nominal Pipe Size

The WATTS RD-103 is a cast-iron primary roof drain with a 14 1/8 in overall diameter and 12 1/2 in overall height. It features a 3 in nominal pipe size, a no-hub connection type, and includes a self-locking plastic…

SKU 3G-OTH-739948

Brand
WATTS
Item
Roof Drain: 14 1/8 in Overall Dia, 12 1/2 in Overall Ht, 3 in Nominal Pipe Size
Category
Primary Roof Drains
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

WATTS
Manufacturer Part Number
RD-103
Type
Cast Iron
Includes
Self Locking Plastic Dome
Overall Ht
12 1/2 in
Dome Material
Plastic
Connection Type
No Hub
Nominal Pipe Size
3 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

WATTS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS RD-103 is a cast-iron primary roof drain with a 14 1/8 in overall diameter and 12 1/2 in overall height. It features a 3 in nominal pipe size, a no-hub connection type, and includes a self-locking plastic dome. This product is supplied by 3G Electric, a global industrial solutions provider that interprets customer demand and delivers genuine equipment across 14 departments, with specialist depth in combustion, pumps, and controls.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the WATTS RD-103 roof drain used for?

The WATTS RD-103 is a primary roof drain designed to remove rainwater from flat or low-slope commercial roofs. Its cast-iron body and no-hub connection provide durability and easy installation in plumbing systems. 3G Electric supplies this genuine WATTS drain for industrial and commercial building applications worldwide.

What are the specifications of the WATTS RD-103 roof drain?

The WATTS RD-103 has a 14 1/8 in overall diameter, 12 1/2 in overall height, and a 3 in nominal pipe size. It features a cast-iron body, no-hub connection type, and includes a self-locking plastic dome. The dome material is plastic. 3G Electric supplies this WATTS drain globally.

Where to buy the WATTS RD-103 roof drain worldwide?

3G Electric supplies the WATTS RD-103 roof drain to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this genuine WATTS drain for your commercial roofing project.

How to install the WATTS RD-103 roof drain?

Install the WATTS RD-103 by connecting the no-hub outlet to the drain pipe using a standard no-hub coupling. Secure the cast-iron body into the roof deck, ensuring proper flashing for waterproofing. Attach the self-locking plastic dome after installation. Always follow local plumbing codes and manufacturer guidelines.

Used in

Common applications for WATTS
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

WATTS Products

3G Electric supplies WATTS primary roof drains. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from WATTS

View all WATTS parts
WATTS Roof Drain: 14 1/8 in Overall Dia, 12 1/2 in Overall Ht, 4 in Nominal Pipe Size, Cast Iron (MPN RD-104). Key specifications — Connection Type: No Hub; Includes: Flashing Clamp with Integral Stop; Dome Material: Plastic; Brand: WATTS.
WATTS
WATTS Roof Drain: 14 1/8 in Overall Dia, 12 1/2 in Overall Ht, 4 in Nominal Pipe Size, Cast Iron (MPN RD-104). Key specifications — Connection Type: No Hub; Includes: Flashing Clamp with Integral Stop; Dome Material: Plastic; Brand: WATTS.