1-1/4x1-1/2 Chck Vlve

For sump pump applications the THD1020 can be used with any 1.25 in. or 1.5 in. sump pump. The THD1020 features 1.25 in. or 1.5 in. combination rubber adapters and the industry's most durable check valve flapper. This is the world's most reliable sump pump check valve.|Can be used with any 1.25 in. or 1.5 in. discharge sump pump|1.25 in. or 1.5 in. combination adapters|Fits 1.25 in. or 1.5 in. black, galvanized and DWV Sch. 40 pipe|Industries most durable flapper|All stainless steel clamps|Strong, durable ABS body|Millions in service|Compatible with any 1.25 in. or 1.5 in. discharge sump pump