PopTop™ Erie Family of Products Poptop™ Zone Valves • 1/2”, 3/4”, 1” and 1-1/4” Sweat, NPT and Inverted Flare Union. • Two-position (on/off), 2-way and 3-way. • General close-off or High close-off. Erie’s motorized hydronic valves, the PopTop™, provide convenient, reliable and easy installation for a variety of heating and cooling applications. Installation is a snap with easy, one-handed removal or • Low voltage or line voltage. Poptop™ Modulating Valves • 1/2”, 3/4”, and 1-1/4” Sweat, NPT.
