Zurn 2 1/2 in to 4 in Number 2 Check Assembly Repair Kit, For Use With: Mfr. No. 4-375A - 3509-300B Nominal Size-54" X 42" X 1.5" and 14 inches of space

and 14 inches of space separates the holders

Item: Deep Well Submersible Pump Motor

Features: Shaft tapped on center 1/4" UNC

Rated For Flammable Storage: Yes

OHSA compliant and retrofits to any existing shower system

Zurn 2 1/2 in to 4 in Number 2 Check Assembly Repair Kit, For Use With: Mfr. No. 4-375A - 3509-300B Nominal Size-54" X 42" X 1.5" and 14 inches of spaceNumber 2 Check Assembly Repair Kit; Size: 2 1 2 in to 4 in; Body Material: Rubber and Steel; Temp. Range: 33 Degrees to 140 Degrees F; For Use With: Mfr. No. 4 375A; Includes: Number 2 Check Assembly, O Ring, Poppet Retainer, Seat Assembly Number 2 Poppet, Washer