the ICP 1003175 provides a reliable solution for units experiencing short-cycling or "limit open" error codes often associated with airflow restrictions

Compatible with a broad range of 1F90 series and 1F70 series units (excluding Blue models)

moisture accumulation around the trap flange

while the plastic cap is for protection during installation

Which Series use this specific gasket

Lochinvar & A.O. Smith 100027491 Orifice the ICP 1003175 provides aThe Lochinvar & A. O. Smith 100027491 Orifice is a high precision gas burner component engineered for specific water heating and pool heater applications. Featuring a 1 2" HEX RH (Right Hand) design, this direct replacement orifice ensures calibrated fuel to air ratios for optimal combustion efficiency. This part serves as the current manufacturer authorized update for the legacy 076243 030 part number, maintaining the exact tolerances required for