Bard HVAC 5651-142BX Valve Freon The integrated mesh debris screen

The integrated mesh debris screen captures larger particles

One port typically monitors the positive pressure from the blower while the other senses the negative pressure (vacuum) in the combustion box

the SPRD series is engineered specifically to replace the legacy PRD models with improved blade seals and more durable hardware while maintaining the original 12x8 dimensions

Direct Interchangeability: Fully compatible with G93ASL-4C specifications

ensure the supply air is clean

Bard HVAC 5651-142BX Valve Freon The integrated mesh debris screenThe Bard HVAC 5651 142BX is a precision engineered SmartValve gas control system designed for high efficiency natural gas applications. This unit serves as the direct replacement for 5651 142, featuring a 1 2" x 1 2" NPT configuration that ensures seamless integration into existing Bard wall mount units and furnaces. Operating on a 24VAC control circuit, this valve combines gas flow regulation with integrated electronic ignition sequencing. Its