Trane DIA0065 Neophrene Diaphragm 321142-301 Converting from older 4-pin or

Converting from older 4-pin or 5-pin configurations requires the correct Lochinvar adapter kit (part 100109676) to ensure the wiring harness pins align with the control's logic

keeping labels legible under heavy use

A failed relay often results in the compressor failing to start (humming)

Technicians prefer the 2260-TP for its end point ground configuration and integrated mounting tabs

Fault Protection: Actively monitors for negative pressure drops to prevent hazardous combustion conditions and equipment overheating

Trane DIA0065 Neophrene Diaphragm 321142-301 Converting from older 4-pin orField installations and system maintenance demand high performance components that withstand rigorous duty cycles. The Trane DIA0065 Neoprene Diaphragm is a critical OEM replacement part designed for precision pressure regulation and fluid isolation in commercial HVAC mechanical systems. Fabricated from industrial grade polychloroprene (CR), this diaphragm provides superior chemical resistance and dimensional stability across a broad temperature