Can I use an aftermarket interlock switch instead of the OEM 10690402S

Dual-Voltage Versatility: Seamlessly detects and operates on both 12V and 24V DC battery banks

corrosion-resistant materials capable of withstanding the thermal cycling and pressure fluctuations typical of commercial and residential split systems

The Lennox 14A43 Pressure Switch is a genuine OEM dual-stage pressure switch engineered for high-efficiency Lennox

making it a versatile solution for varying head pressure requirements

Utica-Dunkirk FE3980C120 Electrode 340793-762 Can I use an aftermarketAs a service technician, you know that consistent combustion starts with a precise spark. The Utica Dunkirk FE3980C120 Electrode is the authentic OEM replacement ignition electrode engineered specifically for high efficiency hydronic systems. This high performance ignitor is critical for maintaining the sequence of operation in Utica and Dunkirk CCB and CHB series boilers, ensuring the control board receives the necessary flame rectified signal for