Raypak 011760F Air Switch

The Raypak 011760F is a critical safety component engineered for precise airflow monitoring in high-efficiency heating systems. This Vent Air Switch 2.50" WC is designed to verify proper drafting and ventilation before allowing the combustion cycle to proceed. Calibrated at a fixed 2.50 inches water column set point, this diaphragm-actuated switch protects the heat exchanger from soot buildup and prevents hazardous flue gas leakage and backdrafting. As a genuine Raypak OEM part, it ensures exact electrical compatibility with the system control board, eliminating the nuisance trips often associated with lower-quality aftermarket alternatives.

Built for the rigors of mechanical rooms, this air pressure switch is a standard replacement for Raypak Modulating Vertical Boiler (MVB) models, including the 1003A, 1503A, 1753A, and 2003A. The robust housing and reliable microswitch assembly are rated for industrial-grade cycles, maintaining system uptime across commercial and residential applications. For technicians, the 011760F provides a direct-fit solution that restores factory-spec safety interlock functionality, ensuring the unit remains code-compliant and operational under varying atmospheric conditions.

• Factory-Calibrated 2.50" WC Set Point: Ensures the fan or inducer is generating the exact static pressure required for safe ignition.
• Direct OEM Compatibility: Verified for Raypak MVB boilers and high-output heaters to prevent control board "FAN" error codes.
• Enhanced Safety Interlock: Instantly breaks the circuit upon detecting inadequate venting to prevent carbon monoxide accumulation.
• Rugged Construction: Engineered to withstand the heat and vibration of industrial HVAC ventilation systems.
• Efficient Troubleshooting: Restores dependable system logic, helping contractors identify blower motor or venting obstructions quickly.

What does the "FAN" error code mean on my Raypak heater?
A "FAN" error typically indicates the control board is not detecting the Raypak 011760F switch closing. This usually stems from a failing switch, a blocked intake/exhaust vent, or a malfunctioning blower motor.

Can I adjust the pressure setting on this air switch?
No, the 011760F is a factory-set 2.50 inch WC switch. Attempting to adjust the calibration can lead to unsafe combustion or equipment damage. Always replace with the exact OEM-rated pressure part.

How do I test if my Raypak 011760F is functioning?
Check the signal across the terminals with a multimeter while the inducer is running. If the vent air switch fails to close despite proper tubing integrity and blower speed, the internal diaphragm or microswitch has likely reached its end-of-life.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.