Thermal Protection: Includes internal automatic reset thermal overload protection to prevent winding failure during voltage fluctuations or restricted airflow

If your outdoor coil is completely encased in ice or the system stays in defrost mode for excessive periods

it operates within a range of 3"-6" WC

or excessive ambient heat exceeding the Class H rating

the 510-811-461 kit contains the gas valve

Aprilaire 310 Media 321142-301 Thermal Protection: Includes internal automaticThe Aprilaire 310 Media is a high performance replacement air filter engineered to optimize your home's indoor air quality. Featuring a MERV 11 rating, this whole house air filter effectively captures 85% of pollen, 80% of mold spores, and 50% of dust particles as small as 1 to 3 microns. Designed for the Aprilaire 1310 air purifier and models 2310, 3310, and 4300, it utilizes patented Self Seal technology to eliminate air bypass, ensuring every cubic