Designed specifically for use with the Maxitrol 325-3 series regulator

the constant load bypass damper is specifically designed to work with both constant-speed and variable-speed HVAC units to move excess air back to the return plenum or a dump zone

The Trane WHL0740 Blower Wheel is a precision-engineered OEM replacement part designed for specific Trane and American Standard furnace and air handler assemblies

this is a high-voltage DualVolt coil specifically rated for 120V through 240V AC

The 73205 is the designated manufacturer replacement part for the discontinued or superseded 65324 knob

Raypak 004879F Gas Valve Els PW 17895 Designed specifically for use withThe Raypak 004879F Gas Valve is a critical combustion component designed for precise fuel regulation in high efficiency pool and spa heaters. Operating on a 24V AC intermittent ignition system, this valve is factory set for 4" WC natural gas but can be field converted with the appropriate regulator spring kit. Utilizing 3 4" NPT inlet and outlet ports, it provides high capacity flow rates necessary for large BTU inputs without excessive pressure