Field Controls 602602001 Pressure Switch 320788-704 the AT33A00T is a staple

the AT33A00T is a staple for maintaining high-performance HVAC infrastructure

In most professional setups

this OEM replacement TXV replaces outdated or failing components like the 1185046

is designed for specifically sized Sporlan valve bodies

this OEM component is a staple for residential and commercial HVAC service

Field Controls 602602001 Pressure Switch 320788-704 the AT33A00T is a stapleThe Field Controls 602602001 Pressure Switch is a high precision sensing component specifically engineered for use with PVG 100 power venters. As a critical safety interlock, this SPST pressure switch monitors the negative pressure generated by the blower to ensure proper combustion air volume before allowing the burner to fire. Designed for induced draft systems, it features an 8" WC set point with built in differential hysteresis to prevent rapid