this 1/2 inch DialSet PRV effectively manages high-pressure surges to protect downstream fixtures and eliminate water hammer

You must use your existing flange or purchase the appropriate bolt-on flange kit separately for installation

the AV-391 is limited to a maximum of 2" on VB-7xxx bodies and 1-1/4" on VB-9xxx bodies

Versatile electrical ratings (125 VA to 300 VA pilot duty) allow for broad compatibility across draft inducer models

Loren Cook 100631 Motor 321042-401 this 1/2 inch DialSet PRVThe Loren Cook 100631 Motor is a high performance 3 4 HP HVAC replacement motor designed for demanding commercial and industrial ventilation applications. Operating at a synchronous speed of 1725 RPM, this unit provides the necessary torque for belt drive centrifugal fans and power roof ventilators. This dual voltage blower motor supports 115 208 230V single phase configurations, allowing for versatile field integration across varying electrical