The TB Woods 9N Sleeve Insert is a high-performance elastomeric element engineered for the Sure-Flex Plus coupling system

this is a factory-calibrated

this is the official updated service part for both S1-2702-335P and 129694

Technicians should verify manifold pressure and orifice alignment during installation to ensure optimal flame impingement on the flame sensor or thermocouple

maintaining the system's UL certification and engineering specifications

Lochinvar & A.O. Smith 100164435 Electronic Thermostat Els PW 29614 The TB Woods 9N SleeveThe Lochinvar & A. O. Smith 100164435 Electronic Thermostat is a high precision OEM replacement part designed for integration into commercial water heaters and high efficiency boilers. Internally recognized as the direct successor to the PAN30000, this electronic temperature control assembly ensures tight differential management and reliable sensing to prevent thermal cycling issues that compromise system longevity. Built for heavy duty HVACR