Reznor 196949 Limit Switch A 40 VA transformer can

A 40 VA transformer can typically handle the boiler’s internal controls and one or two low-draw zone valves

and 20-800 series

65" WC setpoint

providing a reliable interface for fan motor control and general heating or cooling switching

This ensures the HVAC temperature sensor reads the true medium temperature without the dampening effects of an insulating air pocket

Reznor 196949 Limit Switch A 40 VA transformer canThe Reznor 196949 Limit Switch is a critical safety component designed specifically for commercial and industrial heating units. As a Manual Reset (M R) Limit Switch, this part is calibrated to open the electrical circuit when internal plenum temperatures reach 225 degrees Fahrenheit, preventing hazardous overheating and protecting the heat exchanger from thermal stress. Engineered by Nortek for the Reznor brand, this OEM replacement part is a