DriSteem 308500 Probe Housing 321894-709 Key Benefits for HVACR Technicians:

Key Benefits for HVACR Technicians: Triple Pole Double Throw (3PDT) Configuration: Enables the control of three separate circuits from a single 24V coil signal

Standard/Slow Opening Support: Optimized for single stage gas valve conversion on both 24V and millivolt systems

You should verify your specific valve's prefix and suffix to ensure the elastomers are compatible with your system media

Ensure your field power wiring is sized to meet the minimum circuit ampacity (MCA) listed on the air handler data plate to prevent nuisance tripping and ensure reliable cold-weather performance

the units are identical in specifications

DriSteem 308500 Probe Housing 321894-709 Key Benefits for HVACR Technicians:The DriSteem 308500 Probe Housing is a critical replacement component designed for precise water level sensing in humidification systems. Constructed from high grade, heat stabilized nylon, this housing provides the necessary thermal resistance and structural integrity required for high temperature steam applications. It serves as the primary enclosure for water level probes, ensuring accurate conductivity readings and preventing false low water