1" Air Scoop/Purger, Cast Iron, 1/8" Threaded 100074270 The control features a bigger

The control features a bigger enclosure (double in size) than its predecessor (ZON-0550) for increased space for equipment wiring

Durable Performance: Operates in humidity ranges from 5% to 95% relative humidity

Aspen 085/110

The ecocirc auto and vario circulators were designed with highly efficient electronically commutated permanent magnet motor (eCM/PM technology) specifically for hydronic systems

1" Air Scoop/Purger, Cast Iron, 1/8" Threaded 100074270 The control features a biggerDesigned to separate air from water in a closed heating system so that it can be properly vented. Baffles inside the purger cause dissolved air to be separated from the water as it flows through the purger. The elimination of air improves the performance of the system and helps prevent harmful corrosion.