15-2011 HYDRO-SEAL+4 STOP-LEAK 32 oz 1 Quart
Contains No Petroleum Distillates
Amount Required: Use One Quart Of Hydro-Seal +4 For Each 22 Gallons Of Water In The System.
One Quart Is Usually Sufficient For The Average Single Family Home Boiler System.
***NOTE*** Do NOT Use In Steam Boilers Or Boiler Systems Containing Anti-Freeze
REPLACES SOS AR-1 & OLW-1
This liquid treatment seals leaks in circulating hot water systems, plus it inhibits rust, stops circulation noise, prevents air pockets and lubricates the system. It contains no petrochemicals.