Hayward Check Valve, 4 in, Single, Y True Union, PVC, Socket x Socket - YC10400SEU Rings while the door is slightly

while the door is slightly thicker and crafted from durable 18-gauge stainless steel

They remain intact

Does Not Include Built-In 2

Flow - Valves: 240 gpm

Hayward Check Valve, 4 in, Single, Y True Union, PVC, Socket x Socket - YC10400SEU Rings while the door is slightlyItem Check Valves: Check Valve; Flow Design: Single; Mechanism and Body Design: Y True Union; Body Material Valves: PVC; Pipe or Tube Size Check Valves: 4 in; Connection Type Check Valves: Socket x Socket; Cracking Pressure Check Valves: 1 psi; Mounting Orientation Check Valves: Horizontal, Vertical; Seal Material Check Valves: EPDM; Max. Temp. Valves: 140 Degrees F; Min. Temp. Valves: 40 Degrees F; Max. Water Pressure Valves: 150 psi @ 70 Degrees F;