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Rosewood paper grain — description and returns beneath the overlapping buy card.
The NBR (Buna-N) seals provide a tight shut-off
Simplified Service: Replaces legacy White-Rodgers 1F87-251 units with an identical horizontal footprint for quick retrofitting
High-grade ceramic insulator prevents voltage leakage to ground for accurate microamp signal readings
Contaminant Resistance: Optimized housing protects the internal magnet structure from dust
How do I adjust the flow rate sensitivity
Williams P500118 Limit Switch 321894-708 The NBR (Buna-N) seals provideThe Williams P500118 Limit Switch is a critical OEM high limit safety control engineered for precision temperature regulation in Williams Comfort Products heating systems. Rated at 300F, this auto reset limit switch acts as a primary fail safe, monitoring heat exchanger temperatures to prevent thermal overage and potential component failure. In a professional HVAC furnace repair context, utilizing an authentic Williams furnace part ensures the system