Constructed with a high-impact ABS case and a glass-passivated thermistor sensor

making it ideal for hazardous environments

it provides excellent chemical resistance and leak-proof performance in systems handling water

The crystal-clear viewing lens features a highly sensitive moisture indicator element that changes color based on the parts-per-million (PPM) of water concentration in the system

bonnet gasket

Reznor 220781 Venter Assembly Els PW 17895 Constructed with a high-impact ABSThe Reznor 220781 Venter Assembly is a critical replacement component engineered specifically for high efficiency Reznor unit heaters. Operating at 208 230V, this draft inducer blower is designed to facilitate proper combustion air flow and exhaust gas removal, ensuring the furnace maintains optimal pressure switch cycles and heat exchanger integrity. For contractors performing maintenance or repairs on Reznor UDAP or UDAS series heaters, this