Armstrong Fluid Technology 272005-003 Air Vent Els PW 29614 The MARS 20836 requires a

The MARS 20836 requires a 7

This part is specifically engineered for use with Honeywell pneumatic actuators

2-way normally closed pilot-operated solenoid valve engineered for reliable performance in general service applications

while the brass valve body offers long-term durability against corrosion and mechanical stress

If the furnace high limit switch is tripping due to restricted airflow (like a dirty filter or blocked coil)

Armstrong Fluid Technology 272005-003 Air Vent Els PW 29614 The MARS 20836 requires aThe Armstrong Fluid Technology 272005 003 Air Vent, specifically known as the #75 Air Vent, is a high performance automatic air vent designed for efficient air removal in hydronic heating systems. Engineered to handle high pressure environments, this commercial air vent features a robust 1 2" NPT connection, making it an ideal choice for large scale boiler systems and piping networks. By continuously purging trapped air, the Armstrong 272005 003