the 20-001-02 is specifically spec'd for 5/8" OD glass

Does the green color coding signify a specific temperature range

Can this fitting be used in medical gas applications

providing a consistent fail-safe response

Williams P320911A Switch the 20-001-02 is specifically spec'dThe Williams P320911A Two Speed Hi Lo Switch is a critical replacement component engineered specifically for Williams Comfort Products HVAC equipment. This industrial grade two speed switch provides seamless toggle control between high and low blower settings, optimizing airflow and energy efficiency in vented room heaters and Monterey Top Vent Furnaces. It is a direct fit for Williams Automatic Blower 2102 and Blower 2901, ensuring electrical