Nordyne 664348 Valve L99H008 ensuring stable pneumatic pressure regulation

ensuring stable pneumatic pressure regulation in various mechanical room conditions

Standardized Connections: The 1/4" barb connection simplifies field replacement and ensures a leak-free seal with existing pneumatic lines

Dual Safety Shutoff: Engineered with two solenoid-operated valves to ensure positive gas shutoff upon loss of power or flame signal

It features a 32-second prepurge and field-selectable DIP switches that allow technicians to precisely match trial counts (1 or 3 trials) and ignition trial times (4 or 7 seconds) to the original equipment specifications

9°F hysteresis for tight environmental control

Nordyne 664348 Valve L99H008 ensuring stable pneumatic pressure regulationThe Nordyne 664348 is a heavy duty TR6 R410A TXV Outdoor Valve specifically engineered for 4 ton residential and commercial condenser units. As a veteran grade thermostatic expansion valve, this component provides critical refrigerant flow control by monitoring the superheat at the evaporator outlet. By adjusting the orifice opening in real time, it optimizes heat exchange efficiency and prevents liquid slugging, protecting the compressor from