Heil Quaker ICP 1066042 TXV 30067439-890 The York S1-025-39909-000 is an

The York S1-025-39909-000 is an industrial-strength HVAC control built with high-grade copper and stainless steel internals to ensure long-term reliability under fluctuating thermal loads

replacing a pitted or unresponsive switch with this factory-spec on/off toggle kit is the fastest way to restore reliable communication between the manual controls and the ignition interface

While a thermocouple typically generates 25-30mV to hold a safety magnet

Service Flexibility: Compatible with the ICT tool for "under-pressure" replacement

eliminating fitment issues in York heat pumps

Heil Quaker ICP 1066042 TXV 30067439-890 The York S1-025-39909-000 is anEnsure terminal superheat accuracy with the Heil Quaker ICP 1066042 TXV, a professional grade OEM replacement thermal expansion valve designed for 2 ton HVAC systems. This non bleed check valve is engineered for precise refrigerant flow control in residential air conditioning and heat pump applications, particularly across International Comfort Products (ICP) brands including Heil, Tempstar, and Comfortmaker. Featuring a 3 8" x 1 2" ODF sweat