Field Controls CAS-2B-90E Combustion Air SystemField Controls CAS 2B 90E Combustion Air System delivers reliable combustion air for oil burners. This dedicated combustion air system supports oil fired appliances with an appliance input up to 1. 5 GPH and meets UL standards for Canada and US. It includes a 4 inch intake air hood and a 4 inch vacuum relief valve field air boot to ensure balanced air supply and safe relief during operation. The rugged enclosure resists heat and dust, helping ensure

soldered x soldered connections

With a high flow rate up to 1200 CFM and a resistance of 0

the Armstrong 57W79 switch installs quickly and supports consistent pressure sensing in your heating system

and consistent operation across HVAC applications

18 compliant

Steam rating: up to 105

Power: 1 Watt

Type: 5+1+1 programmable

Model compatibility: 9004634215 / 100110001

Wide operating range: 50/60 Hz compatibility

providing fail-safe performance in critical HVAC tasks

helping you curb utility costs without sacrificing comfort