Does this unit include mounting hardware or a crankcase heater

protecting the compressor from overload during startup or high-load conditions by limiting evaporator pressure

Always verify static pressure and airflow during installation

High-volume installations across commercial and residential sectors rely on this specific zone valve actuator for its bubble-tight shutoff capabilities and ease of field replacement

ensuring a standard fit for most tank-based systems

Bard HVAC 8620-239 Economizer Kit 320734-701 Does this unit include mountingThe Bard 8620 239 Economizer Kit is a field installed, high performance ventilation solution designed for precise free cooling and outdoor air intake control. Acting as the direct replacement for discontinued models 8602 053 and 8620 185, this kit integrates seamlessly with Bard wall mount units to improve HVAC energy efficiency. It utilizes an enthalpy based control system to monitor outdoor air conditions, automatically modulating the damper