Silent Check Valve For Sump Pump

Basement watchdog, klunkless check valve, eliminates the irritating clunk when sump pumps turn off, patented silencing air chamber absorbs the shock, easily installed on both 1-1/4″ & 1-1/2″ pipes, includes stainless steel hose clamps.

• Installs easily on both 1-1/2 in. and 1-1/4 in. pipes with no gluing required (pipes not included)
• Fits easily in compact spaces
• Silencing air chamber absorbs the shock that normally occurs after a pump shutoff
• Airtight chamber helps prevent water entry
• Helps eliminate the irritating clunk that can happen when your sump pump turns off (sump pump not included)
• Includes stainless-steel hose clamps
• Not for use with ejector pumps