Common Questions: Is 18/5 wire compatible with smart thermostats

What is the difference between 661024 and 661024R

ensuring that the system meets original factory safety standards and manufacturer specifications for boiler operation

Operating on a standard 120V AC 60Hz electrical supply

This unit is rated for continuous operation in temperatures ranging from -10°C to 100°C (14°F to 212°F)

York S1-FM501 Filter R-134A Common Questions: Is 18/5 wireThe York S1 FM501 is a high efficiency deep pleat media filter designed specifically for 5 inch filter cabinets in residential HVAC systems. Engineered as a direct replacement for S1 MAC11202506 and S1 LFMA2025 models, this filter features a MERV 11 rating, providing a significant upgrade over standard pleated filters by capturing a broader spectrum of airborne contaminants, including dust, pollen, and pet dander. The low pressure drop design ensures