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ZURN P121-DOME-CI Cast Iron Dome & Cage for Roof Drains - Domes & Cages for Roof Drains
ZURNDomes & Cages for Roof Drains

ZURN P121-DOME-CI Cast Iron Dome & Cage for Roof Drains

The ZURN Dome Strainer (MPN P121-DOME-CI) is a cast-iron dome and cage for roof drains, featuring a 10-inch overall diameter and 4 1/4-inch overall height. It uses a drop-in connection type and comes unfinished. This…

SKU 3G-OTH-425972

Also listed as: P121DOMECI · P121 DOME CI

Brand
ZURN
Item
P121-DOME-CI Cast Iron Dome & Cage for Roof Drains
Category
Domes & Cages for Roof Drains
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

ZURN
Manufacturer Part Number
P121-DOME-CI
Type
Cast Iron, Unfinished, Drop-In
Finish
Unfinished
Overall Ht
4 1/4 in
Connection Type
Drop-In

Technical Documents

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

Product Description

The ZURN Dome Strainer (MPN P121-DOME-CI) is a cast-iron dome and cage for roof drains, featuring a 10-inch overall diameter and 4 1/4-inch overall height. It uses a drop-in connection type and comes unfinished. This product is designed for use with ZURN roof drain systems.

Frequently Asked Questions

What is a ZURN Dome Strainer used for?

A ZURN Dome Strainer is a cast-iron dome and cage for roof drains, designed to filter debris and allow water flow into the drainage system. It is used in commercial and industrial roofing applications to prevent clogging and ensure proper drainage.

What are the specifications of the ZURN P121-DOME-CI Dome Strainer?

The ZURN P121-DOME-CI Dome Strainer has a 10-inch overall diameter and 4 1/4-inch overall height. It is made of cast iron with an unfinished finish and uses a drop-in connection type. This product is designed for ZURN roof drain systems.

Where to buy a ZURN Dome Strainer worldwide?

3G Electric supplies the ZURN Dome Strainer worldwide, handling logistics, customs, and delivery to your location. As a global industrial solutions provider, we source and deliver genuine ZURN parts like the P121-DOME-CI to support your roofing and drainage needs.

How to install a ZURN Dome Strainer?

To install a ZURN Dome Strainer, ensure the roof drain body is clean and properly positioned. Place the dome strainer into the drain using the drop-in connection, ensuring it sits securely. Follow standard plumbing practices for roof drain installation to prevent leaks and debris buildup.

Used in

Common applications for ZURN
Commercial restrooms — ZURN AquaVantage® automatic flush valves (ZER6000AV series) for water-efficient toilet flushing
Institutional kitchens — ZURN cast iron floor drains (ZN415 series) for heavy-duty drainage in food preparation areas
Industrial washdown areas — ZURN height-adjustable PVC floor drains (EZ1 series) for chemical-resistant drainage
Hospital patient rooms — ZURN dome strainers (P1910 series) for floor sink drainage in sanitary environments
Office building maintenance — ZURN chrome-plated brass P-traps (ZR365B-PC) for sink trap replacements
Urinal retrofit projects — ZURN ZTR sensor flush valve retrofit kits (ZTR6203 series) for upgrading manual urinal flush valves

ZURN Products

3G Electric supplies ZURN domes & cages for 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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Cross-referenced by specification & description
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This ZURN dome strainer is designed for floor sinks to catch debris and prevent drain blockages. Made of white plastic with an unfinished finish, it features a slotted grate surface that allows water to pass while trapping solids. The drop-in connection type simplifies installation. Overall diameter is 6 inches, overall height is 2-7/8 inches
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This ZURN dome strainer is designed for floor sinks to catch debris and prevent drain blockages. Made of white plastic with an unfinished finish, it features a slotted grate surface that allows water to pass while trapping solids. The drop-in connection type simplifies installation. Overall diameter is 6 inches, overall height is 2-7/8 inches
Replacement roof drain and roof drain body for flat-roof drainage systems. Cast iron dome with gasket connection. Includes stainless steel hardware. Overall dimensions: 18 1/2 in width, 18 1/2 in length, 17 in height
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Replacement roof drain body with a cast iron dome and gasket connection. Includes a clamp collar. Overall height 17 in, overall width and length 18 1/2 in. Used for rainwater drainage on flat or low-slope roofs
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Aluminum dome strainer for floor sinks with slotted grate surface. Drop-in connection type. Overall diameter 6 in, overall height 2 1/2 in. Unfinished silver finish. Used to catch debris and prevent drain blockages in floor drains
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Aluminum dome strainer for floor sinks with slotted grate surface. Drop-in connection type. Overall diameter 6 in, overall height 2 1/2 in. Unfinished silver finish. Used to catch debris and prevent drain blockages in floor drains
Cast iron primary roof drain with deck plate for flat or low-slope roofs. Includes cast iron dome and deck plate. No-hub connection for 4 in nominal pipe size. Overall height 8 1/2 in
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Cast iron primary roof drain with deck plate for flat or low-slope roofs. Includes cast iron dome and deck plate. No-hub connection for 4 in nominal pipe size. Overall height 8 1/2 in

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Cast iron dome and cage for roof drain assemblies. Unfinished finish with drop-in connection. Overall height 4-1/8 in. Used to filter debris and prevent clogging in roof drainage systems
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Cast iron dome and cage for roof drain assemblies. Unfinished finish with drop-in connection. Overall height 4-1/8 in. Used to filter debris and prevent clogging in roof drainage systems
This cast iron dome strainer is designed for use with roof drains to prevent debris entry while allowing water flow. It features a drop-in connection type and an unfinished finish. Typical applications include commercial and industrial roofing systems where protection of drain inlets is required
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This cast iron dome strainer is designed for use with roof drains to prevent debris entry while allowing water flow. It features a drop-in connection type and an unfinished finish. Typical applications include commercial and industrial roofing systems where protection of drain inlets is required
Plastic dome and cage assembly for roof drains. Designed to filter debris and prevent clogging in drainage systems on flat or low-slope roofs. Features a drop-in connection type with an unfinished finish. Overall height 4-1/2 inches
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Plastic dome and cage assembly for roof drains. Designed to filter debris and prevent clogging in drainage systems on flat or low-slope roofs. Features a drop-in connection type with an unfinished finish. Overall height 4-1/2 inches
This plastic dome and cage assembly is designed for use with roof drains. It filters debris to prevent clogging in drainage systems. The component has a 7 in overall height and uses a clamp connection type. The unfinished finish allows for field painting if desired
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This plastic dome and cage assembly is designed for use with roof drains. It filters debris to prevent clogging in drainage systems. The component has a 7 in overall height and uses a clamp connection type. The unfinished finish allows for field painting if desired
Cast iron dome strainer for roof drain systems. Prevents debris entry while allowing water flow. Drop-in connection type with unfinished finish. Overall height 4 3/8 in. Suitable for commercial and industrial roofing applications
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Cast iron dome strainer for roof drain systems. Prevents debris entry while allowing water flow. Drop-in connection type with unfinished finish. Overall height 4 3/8 in. Suitable for commercial and industrial roofing applications