1" Air Scoop/Purger, Cast Iron, 1/8" Threaded 100074270 Durable Performance: Operates in humidity

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

The thermostat wirelessly controls the operation and is remote from the radiator so it monitors the actual ambient room temperature to ensure optimum heating accuracy

There are no manual throttle or offset adjustments

HEAT EXCHANGER

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

1" Air Scoop/Purger, Cast Iron, 1/8" Threaded 100074270 Durable Performance: Operates in humidityDesigned 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.