Sump Pump Check Valves · Sump Pump Check Valve

Fernco CV-125T Sump Pump Check Valve

Part # CV-125T

Threaded fit. 1-1/4" male npt threads allow direct connection to pump discharge and integrate with 1-1/4" or 1-1/2" piping using...
Durable build. Thermoplastic valve body resists corrosion, cracking, and long-term wear for reliable performance.
Easy installation. Includes flexible PVC couplings and stainless steel clamps for fast, tool-friendly setup
Pump longevity. Reduces stress and cycling on the pump by maintaining efficient one-way flow.

Sump Pump Check Valves Size: 1.25" x 1.5"

Connects Cast Iron, Plastic and Steel to Cast Iron, Plastic and Steel

Drawing (PDF) All documents

Dimensions

Dimensional drawing of CV-125T data sheet

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Length	2.50 in
Width	2.50 in
Height	7.50 in
Weight	0.32 lb

Product details

The Fernco CV-125T sump pump check valve provides dependable one-way flow control for sump pump discharge lines, keeping water moving out while preventing backflow into the pit. Designed with a positive-seal flapper and rugged thermoplastic construction, this threaded check valve installs easily using flexible PVC couplings and rust-resistant stainless clamps. Ideal for residential and light commercial drainage systems, the CV-125T protects your sump pump, reduces cycling, and enhances overall performance.

American craftsmanship. With over 60 years of proud manufacturing in the USA, Fernco's products reflect unparalleled quality and reliability, underpinned by decades of industry expertise.