Legend Valve 104-403 1/2 inch S-401 Gate Valve coupling
Brass gate valve with 1/2 inch connection controls water flow in plumbing systems
- Half-inch brass gate valve controls water flow precisely
- S-401 model number identifies exact replacement part
- 104-403 manufacturer code simplifies ordering and inventory
- Legend Valve brand signals professional plumbing quality
- California Proposition 65 warning discloses regulated chemical content
1/2 inch S-401 Gate Valve
The Legend Valve 104-403 is a 1/2 inch S-401 brass gate valve designed for plumbing installations. It provides a straight-through flow path when fully open for residential or commercial water supply lines.
Brass construction and Proposition 65 notice
The brass body offers corrosion resistance for potable water applications. California Proposition 65 warnings indicate the product contains chemicals known to cause cancer and birth defects or other reproductive harm.
Full-port flow capacity and installation limits
The gate mechanism allows unrestricted flow when open and positive shut-off when closed. It is not suited for throttling service or frequent cycling, and buyers needing a quarter-turn ball valve should consider a different valve type.
How it compares
Measured against everything we stock in Hose Fittings, Adapters & Clamps, at today’s prices. Recalculated every night.
- Price $9.99
- Cheaper than about 70% of the 2,955 comparable items (median $17.99).
Specifications
| Product | |
|---|---|
| Brand name | LEGEND VALVE |
Questions about this item
Will the brass gate valve stem packing need periodic replacement to prevent leaks?
The brass gate valve uses a packed stem design; over time the packing material can wear and allow seepage, so re-packing or tightening the packing nut may be required.
What limits continuous flow through the 1/2" S-401 gate valve during extended use?
The gate valve is designed for full open or full closed positions; leaving it partially open creates turbulent flow that erodes the gate and seat, which becomes the primary wear limit.
Does the brass body and gate assembly generate noticeable heat or noise when water runs all day?
Brass conducts heat efficiently, so the valve body will reach water temperature quickly, but the full-port design keeps flow noise low even during continuous operation.
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