The most common causes are restricted airflow due to a dirty air filter

Field technicians must ensure manifold pressures are adjusted to manufacturer specifications when swapping these orifices to maintain proper combustion profiles

For field technicians performing annual maintenance or boiler repairs

Always verify the quantity needed for your specific multi-actuator project requirements

Prioritize proper gauge glass installation by ensuring compatible gaskets and friction rings are used to secure the 5/8-inch diameter tubing within the valve furniture

System Sensor DST5 Tube The most common causes areThe System Sensor DST5 is a high performance metal duct sampling tube engineered for reliable smoke detection in heavy duty HVACR environments. Designed specifically for duct widths from 4 ft to 8 ft, this 5 foot steel tube is a necessary gas smoke detection accessory for any technician installing Conventional and Intelligent Duct Smoke Detectors. Unlike plastic alternatives, this InnovairFlex DST5 sampling tube features durable metal construction