Grundfos 00529911 Union Adapter Set 321042-401 With a 95-second full-rotation response

With a 95-second full-rotation response time

The Williams P501617 Pilot Assembly is the definitive OEM replacement for aging or failed ignition components in Williams Floor Furnaces

maintaining steady airflow

Industrial Durability: Engineered with premium materials to withstand rapid thermal cycling and high-heat environments for extended service life

as some ADP pistons are cross-rated for specific R410A tonnages

Grundfos 00529911 Union Adapter Set 321042-401 With a 95-second full-rotation responseThe Grundfos 00529911 Union Adapter Set is a precision engineered fitting kit designed for seamless integration between Grundfos circulator pumps and standard 3 4 inch sweat copper tubing. This union kit facilitates a reliable, leak free connection, ensuring optimal fluid dynamics within hydronic heating systems and closed loop domestic hot water applications. Built with high grade cast bronze or brass components, these adapters provide superior