The prefix is used for internal cataloging

Precision Airflow: The 1620 RPM rated speed maintains factory-specified CFM against high duct static pressure

The DML is preferred for new installations and systems with high moisture risk

Can I use the EA-157-L to replace a short electrode

Robust Safety Features: Built-in 10

York S1-THXU430W Thermostat R-134A The prefix is used forProfessionals looking for a versatile control solution find the York S1 THXU430W Hx3 series to be a reliable choice for both communicating HVAC systems and conventional 24VAC equipment. This 4H 2C Wi Fi programmable thermostat supports up to four stages of heating and two stages of cooling, providing precise staging for complex residential or light commercial footprints. The 4. 3 inch high definition capacitive touchscreen offers an intuitive