What equipment is included in the Y-pack options and what warranty do they provide?

Y-packs are bundle packages with a 5-year warranty that include combinations of a Jade W7220 economizer, damper actuators, and sensors. Available options include dry bulb or enthalpy configurations, with or without CO2 sensors, and with different actuator torque ratings (27, 44, or 88 lb-in) to match various RTU sizes. These pre-assembled packages simplify the retrofit process compared to purchasing individual components.

From the official Honeywell THX9421R5021WW Thermostat manual, page 23

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