Belimo B331 Valve R-410A this SPST induction draft pressure

this SPST induction draft pressure switch ensures the combustion blower is pulling the correct amount of air through the heat exchanger before ignition

The Amana-Goodman 20415901 Door Assembly is a direct OEM replacement part engineered for specific Amana and Goodman PTAC units

Integrating it with an AC circuit requires a bridge rectifier or a dedicated DC power source

technicians can maintain the original manifold pressure requirements and combustion efficiency of the unit

System Longevity: Helps maintain compressor safety by preventing excessive heat buildup in the motor windings

Belimo B331 Valve R-410A this SPST induction draft pressureThe Belimo B331 is a high performance 1 1 4 inch NPT 3 way characterized control valve engineered for precise flow regulation in demanding hydronic systems. Featuring a 25 Cv rating, this valve utilizes an equal percentage flow characteristic on the A port and a modified linear flow on the B port to ensure constant common port flow, making it ideal for mixing or diverting applications. The nickel plated forged brass body housing a 316 stainless steel