Pay in 4 interest-free payments of $18.85 Learn more
Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
this is an OEM 2-stage HSI board specifically designed to handle the high-stage and low-stage gas valve signals and blower speeds required for 2-stage heating systems
Heavy-Duty Silver Contacts: Engineered for sustained electrical conductivity and minimal contact resistance under load
Can I use the 622148-901 in place of the 62-21489-01
repeated activation usually indicates restricted airflow
Once the unit cools to the 120°F reset point
Resideo Q313A1402 Thermopile 321894-708 this is an OEM 2-stageThe Resideo Q313A1402 is a robust 750 mV thermopile engineered for self powered gas ignition systems and millivolt control circuits. As a veteran grade millivolt generator, this pilot burner component utilizes a series of internal thermocouples to convert thermal energy from a standing pilot flame into the DC voltage required to hold the main gas valve open. This model features a 35 inch lead length and includes a PG9 adapter, providing the necessary
US$ 27.12
US$ 28.57
US$ 68.49
US$ 26.64
US$ 21.00
US$ 35.31
US$ 50.00
US$ 22.00
US$ 26.33
