Forespar 903002 MF841 Replacement Cap Assembly for Vented Loop
This same cap is used on both the 3/4" and the 1-1/2" version of Forespar's vented loops.
Features: This simple valve system when incorporated in the top of a vented loop allows air to enter the line when it is not in use
Then it effectively seals as water or other fluid passes through
Molded in Marelon , vent will not corrode
The duckbill one way valve is designed to seal properly if particulate matter is present in fluids
Forespar Products Corp. warrants all products manufactured by it to be free from factory defects in material and workmanship under normal use and with normal maintenance for a period of thirty six 36 months from the date of initial retail sale. The Limited Warranty is extended only to the original retail purchaser and does not run to any subsequent purchaser. Proof of purchase is required.