This draft regulator prevents various atmospheric changes from causing runaway combustion or inefficient heat transfer

This unit is optimized for NG heating systems

Its robust construction resists the mechanical stresses of high-duty cycle applications

Do I need a C-wire to install this thermostat

it includes the necessary flame sensor (49L76)

Amana-Goodman 22312903 Heater Assembly 30067439-890 This draft regulator prevents variousThe Amana Goodman 22312903 Heater Assembly is a 3. 5 kW OEM replacement critical for maintaining precise climate control in residential air handlers and light commercial units. As a direct factory component, this PTAC heater assembly is engineered to meet the exact electrical and thermal requirements of Amana HVAC systems and Goodman equipment. It serves as the primary cross reference for legacy part numbers 11116203, 20460603, 20460613, and 20517902,