What systems are compatible with this limit switch

Is this fire door compatible with both gas and oil boilers

ensuring the exact 14" diameter and 33-degree pitch required for system balance

it is the standard replacement for most ICP 1183487 parts across several decades of equipment production

Reznor 209423 Kit 320074-702 What systems are compatible withThe Reznor 209423 Kit is a critical damper motor field replacement kit engineered for specific high efficiency Reznor unit heaters and make up air systems. This HVAC replacement part ensures precise modulation of combustion or outdoor air intake, maintaining optimal static pressure and heat exchanger performance. Designed to replace failing damper actuators in the field, the 209423 kit includes the necessary hardware to restore proper airflow control