What is the primary function of a 120V coil relay in a unit heater

Precise equal percentage flow characteristic for stable control

Replacing the SWT1935 solves the issue ONLY if the switch has weakened or drifted from its setpoints

meeting the rigorous standards required for HVAC fuel train installations

including popular commercial and industrial models such as the PDP30

Reznor 95545 Motor THPU32HP7Y What is the primary functionThe Reznor 95545 Motor is a precision engineered OEM replacement motor designed specifically for a wide range of Reznor unit heaters, including F300 series models. Operating at 115V AC, this 1 4 HP motor features a single phase Permanent Split Capacitor (PSC) design, ensuring efficient startup and consistent performance under load. As a direct drive fan and blower motor, it maintains a nameplate speed of 850 RPM, critical for preserving the heat