National Fire Products

Resi-Riser™ 13 x 11-1/2 in. Fire Sprinkler Riser Unit with Retard & PRV

Part #NSR125IRR4


13-1/2 in
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Product Details

  • Pre-assembled, compact, attractive fire sprinkler riser unit for residential sprinkler systems (in accordance with NFPA13, 13R and 13D)
  • Manufactured as a one-piece casting that is air tested for leaks
  • Raised lettering on both sides allows for installation to be to the right or left and easily identifies the flow direction and Test and Drain outlet
  • Two mounting legs are modeled onto the manifold allowing for a secure right or left anchoring
  • Flow switch has duel SPDT switched and a retard of 0-90 seconds
  • Unique design gives the ability to be installed within standard 2x4 frame construction



Application: Residential

Brand Model Compatibility: Argco Fire Protection Residential Riser, Tyco RM-1 Residential Riser, Victaulic 247 Residential Riser Manifold, AGF M8000 & M8011 Residential Riser Manifolds

Collection: Resi-Riser™

Color Finish: Cast Brass

Color Finish Category: Brass Tones

Depth: 3-1/2 in

Diameter: 1-1/4 in

End Connection 1: MNPT

End Connection 2: FNPT

End Connections: MNPT x FNPT

Fits Pipe Size: 1-1/4 in

Fitting Size 1: 1-1/4 in

Fitting Sizes: 1-1/4 in

Height: 13-1/2 in

Product Type: Fire Sprinkler Riser Unit

Weight: 11.2

Width: 11-1/2 in