We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

Legend Valve

Legend Valve 105-403 1/2" S-453 Y-Pattern Check Valve

SKU CH-0CAW-S4RM6

1/2 inch bronze Y-pattern check valve prevents back-flow in plumbing systems

  • 1/2" bronze construction resists corrosion in plumbing systems
  • Y-pattern design reduces flow restriction for efficient operation
  • Check valve function prevents backflow automatically
  • California Proposition 65 warning indicates chemical presence
  • Manufacturer direct shipping available for qualifying orders

Legend Valve 105-403 Bronze Check Valve

This Legend Valve 105-403 is a 1/2 inch bronze Y-pattern check valve designed for plumbing systems requiring unidirectional flow control. It allows fluid to move in one direction while automatically preventing backflow. The bronze construction provides durability for residential and commercial piping installations. This new valve suits installers needing a reliable non-return component.

Suited for standard water and compatible fluid lines

This valve fits plumbing professionals and maintenance crews working on systems that accept a 1/2 inch Y-pattern bronze check valve. It is not intended for buyers who need a different connection size, an alternative body pattern such as swing or lift, or a valve rated for specific pressures or media not confirmed by the manufacturer. Those requiring certified lead-free compliance for potable water should verify suitability before purchase.

1/2 inch Y-pattern bronze body

The defining specification is the 1/2 inch Y-pattern bronze body designated S-453, which determines whether this valve matches the piping layout and fluid compatibility requirements. California Proposition 65 notices indicate the product contains chemicals known to the state to cause cancer and birth defects or other reproductive harm. Confirm the connection type, pattern and material align with the system design before ordering.

Highlights

  • 1/2" bronze construction resists corrosion in plumbing systems
  • Y-pattern design reduces flow restriction for efficient operation
  • Check valve function prevents backflow automatically
  • California Proposition 65 warning indicates chemical presence
  • Manufacturer direct shipping available for qualifying orders

Specifications

BrandLEGEND VALVE

Questions about this item

How do I install the 1/2" S-453 Y-pattern check valve and which step is most often missed?

Thread the 1/2" connections onto the pipe with the flow arrow pointing downstream; the step most often missed is confirming the arrow direction before tightening.

What maintenance will the bronze Y-pattern check valve need over time?

Inspect the bronze body and internal seat periodically for mineral build-up or wear; clean or replace the seat if flow becomes restricted or back-flow occurs.

What limit appears first on the 105-403 check valve during sustained flow?

The 1/2" port size sets the maximum flow capacity; sustained demand beyond that rate will cause pressure drop across the valve.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.