Carrier 331709-757 TXV Kit 321142-301 The 7-second Trial for Ignition

The 7-second Trial for Ignition is the window during which the gas valve is energized to establish a flame

Durable Construction: The 22-gauge galvanized steel frame and blade are built to withstand 0°F to 180°F operating temperatures

Whether you are performing a liquid line repair on a residential split system or a light commercial heat pump

utilizing the same mounting footprint and pin configurations

this HVAC vent grommet prevents air and combustion byproduct leakage

Carrier 331709-757 TXV Kit 321142-301 The 7-second Trial for IgnitionWhen you're dealing with a 4 to 5 ton Carrier, Bryant, or Payne residential unit that isn't maintaining superheat, the Carrier 331709 757 TXV Kit is the specified OEM solution for R 410A refrigerant circuits. This thermostatic expansion valve (TXV) is a high precision metering device engineered to modulate refrigerant flow into the evaporator coil based on heat load, preventing liquid slugging and protecting the compressor. As a hard shutoff TXV, it