Raypak 011862F Pressure Switch

The Raypak 011862F Pressure Switch is a critical safety component designed for precise vent pressure monitoring in high-efficiency heating systems. Factored at a 1.50" W.C. trip point, this normally open switch ensures the induction fan is generating sufficient static pressure to safely vent combustion gases before allowing the ignition sequence to proceed. As the direct replacement for NS2-1020-01, it serves as an OEM-spec solution for Raypak boiler repair and pool heater maintenance, maintaining the integrity of the combustion air proving circuit. The 011862F pressure switch features a durable diaphragm construction capable of withstanding the high-temperature environments common in HVAC blower motor assemblies. For technicians troubleshooting ignition failures or "pressure switch open" fault codes, this 1.50 inch water column switch provides the exact electrical resistance and mechanical calibration required to restore system safety parameters without the need for field adjustments or modifications to the mounting bracket.

• Precise Calibration: Factory-set at 1.50" W.C. to ensure exact matching with induced draft blower requirements.
• OEM Compatibility: Engineered as the specific NS2-1020-01 replacement to maintain UL listings and safety certifications.
• Durable Contacts: High-quality electrical terminals resist corrosion and ensure reliable low-voltage circuit continuity.
• Direct Fit: Standardized footprints allow for rapid installation in existing Raypak cabinet configurations.

What causes a Raypak pressure switch to fail?
Failures are typically caused by a restricted flue, moisture in the sensing tubes, or a failing inducer fan motor that cannot reach the 1.50" W.C. threshold. Check for obstructions before replacing the switch.

Can I use a 011862F to replace a switch with a different W.C. rating?
No. The pressure switch setpoint must match the manufacturer's specification. Using a switch with a lower or higher rating can lead to dangerous delayed ignition or premature soot buildup.

Is the 011862F compatible with non-Raypak systems?
While it cross-references with part number NS2-1020-01, always verify the pressure switch specifications and mounting orientation against your specific equipment's data plate.

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.