Watts 0590719 Air Vent While some sources list cross-compatibility

While some sources list cross-compatibility

For standard 24 VAC circuits

This cover is specifically designed to work with the blue replacement impeller used in most standard 5-gallon bowl configurations

Run capacitors remain in the circuit continuously

Watts 0590719 Air Vent While some sources list cross-compatibilityThe Watts 0590719 is a high performance 1 8 inch NPT air vent designed for veteran contractors who require reliable air elimination in pressurized hydronic heating systems. Engineered as a direct replacement for the DUOVENT 1 8, this unit features a rugged brass body and cover capable of handling system pressures up to 150 PSI and temperatures reaching 240F. Its unique dual function design incorporates an automatic vent with a black cap for continuous