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deep carbonization or cracks in the Steatite ceramic require a full replacement to ensure the safety integrity of the flame monitoring circuit
replacing with the TUB11751 restores factory-spec drainage reliability
this pilot-operated valve is housed in a Nema 4X enclosure
visible carbon build-up or "pitting" on the contacts
Trane VAL11170 Expansion Valve L99H008 deep carbonization or cracks inThe Trane VAL11170 is a high precision electric expansion valve (EEV) engineered for 4 ton HVAC systems requiring meticulous refrigerant metering. Designed as an OEM Trane replacement part, this 1. 8 mm nominal size valve utilizes an electronic actuator to modulate flow based on real time temperature and pressure feedback. This level of control is essential for maintaining optimal superheat levels and maximizing the efficiency of R 410A systems. Rated