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The Williams Comfort Products 5AS150 is an air pump designed for use in heating and ventilation applications where reliable air movement is required. Weighing 18.823 pounds, this unit is built for durable service in residential and light commercial settings. The 5AS150 delivers a displacement of 91.5 cubic inches, making it suited for systems that require consistent, measured airflow. Licensed HVAC technicians and mechanical contractors are the primary installers of this type of component.
This air pump is typically installed in forced-air heating systems where auxiliary air circulation or combustion air delivery is required. It is sold as an individual unit with a minimum order quantity of one. The 5AS150 fits into service and replacement scenarios where the existing pump has reached end of service life or requires upgrade to meet system performance demands.
Designed as an OEM-style replacement air pump for Williams Comfort Products heating systems. Consult the equipment nameplate and Williams product documentation to confirm fitment before installation.
Installation should be performed by a licensed HVAC technician or qualified mechanical contractor. Disconnect and lock out all electrical power to the system before removing the existing pump or mounting the replacement unit. Follow applicable local mechanical codes and the manufacturer service documentation for mounting orientation and connection procedures. Do not restore power until all connections have been inspected and the unit is fully secured.
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