Operating a PTAC without the 10078901 filter will lead to rapid fouling of the evaporator coil

Why does my pilot light keep going out

the 100-080 is strictly designed for 2-way Erie PopTop valve bodies

This indoor ambient thermistor is typically mounted on the front of the evaporator coil to measure the return air temperature before it passes through the cooling or heating stages

Lennox 13Y21 TXV Valve Freon Operating a PTAC without theThe Lennox 13Y21 is a high performance 5 Ton R410A TXV engineered specifically for outdoor condensing units. As a veteran grade thermal expansion valve, this OEM component provides critical refrigerant metering for 5 ton split systems, ensuring the evaporator coil remains optimally flooded across varying load conditions. It features a robust TR6 valve body designed to handle a maximum working pressure of up to 660 PSIG, making it a reliable choice for