Secure the bulb to a horizontal section of the suction line at the 4 o'clock or 8 o'clock position to ensure it reads vapor temperature rather than oil or liquid refrigerant at the bottom of the pipe

including the 7021-8730 and A283

Optimized Desiccant Blend: High-capacity moisture absorption and acid neutralization to prevent copper plating and compressor failure

this compound significantly reduces thermal resistance

Armstrong Furnace A4TXV02-1 TXV 326058-758 Secure the bulb to aThe Armstrong Furnace A4TXV02 1 TXV is a high precision HVAC expansion valve engineered for 5 ton AC units and heat pump systems. This genuine OEM replacement part is specifically designed for use with R410A refrigerant, ensuring your cooling system operates at peak thermal efficiency. Featuring a 200 MOP (Maximum Operating Pressure) and flowrator functionality, the A4TXV02 1 accurately modulates refrigerant flow into the evaporator coil. By