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WATTS Roof Drain: 14 1/8 in Overall Dia, 12 1/2 in Overall Ht, 4 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, 4 in Nominal Pipe Size

The WATTS RD-104 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 4 in nominal pipe size, no-hub connection, and includes a flashing clamp with integral…

SKU 3G-OTH-739949

Brand
WATTS
Item
Roof Drain: 14 1/8 in Overall Dia, 12 1/2 in Overall Ht, 4 in Nominal Pipe Size
Category
Primary Roof Drains
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Technical Specifications

WATTS
Manufacturer Part Number
RD-104
Type
Cast Iron
Includes
Flashing Clamp with Integral Stop
Overall Ht
12 1/2 in
Dome Material
Plastic
Connection Type
No Hub
Nominal Pipe Size
4 in
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WATTS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS RD-104 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 4 in nominal pipe size, no-hub connection, and includes a flashing clamp with integral stop. The dome is made of plastic. 3G Electric interprets this demand and delivers the genuine WATTS drain across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the WATTS RD-104 roof drain used for?

The WATTS RD-104 is a primary roof drain designed to remove rainwater from flat or low-slope commercial roofs. Its cast-iron body and plastic dome handle heavy runoff, while the no-hub connection simplifies pipe attachment. 3G Electric supplies this genuine WATTS drain for industrial and commercial roofing applications worldwide.

What are the specifications of the WATTS RD-104 roof drain?

The WATTS RD-104 has a 14 1/8 in overall diameter, 12 1/2 in overall height, and a 4 in nominal pipe size. It features a cast-iron body, plastic dome, no-hub connection, and includes a flashing clamp with integral stop. 3G Electric sources this genuine WATTS drain for global delivery.

Where to buy the WATTS RD-104 roof drain worldwide?

3G Electric supplies the genuine WATTS RD-104 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 cast-iron drain with a 4 in no-hub connection and plastic dome.

How to install the WATTS RD-104 roof drain?

Install the WATTS RD-104 by securing the cast-iron body into the roof deck, attaching the no-hub pipe connection, and clamping the flashing with the integral stop. Fit the plastic dome over the drain. Follow local plumbing codes and manufacturer guidelines. 3G Electric supplies this genuine WATTS drain for global projects.

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.

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WATTS Roof Drain: 14 1/8 in Overall Dia, 12 1/2 in Overall Ht, 3 in Nominal Pipe Size, Cast Iron (MPN RD-103). Key specifications — Connection Type: No Hub; Includes: Self Locking Plastic Dome; Dome Material: Plastic; Brand: WATTS.
WATTS
WATTS Roof Drain: 14 1/8 in Overall Dia, 12 1/2 in Overall Ht, 3 in Nominal Pipe Size, Cast Iron (MPN RD-103). Key specifications — Connection Type: No Hub; Includes: Self Locking Plastic Dome; Dome Material: Plastic; Brand: WATTS.