Lennox 13Y20 TXV Valve 321894-709 1 in-WC set point matches

1 in-WC set point matches your specific site requirements for the F9 air pressure switch

Durable Construction: Brass body provides excellent corrosion resistance and mechanical strength for industrial plumbing

the EP13BZ241 service valve is rated for pressures up to 700/833 PSIG and temperatures as high as 250°F

but technicians should verify the specific part number in the manual

How do I check the flame signal

Lennox 13Y20 TXV Valve 321894-709 1 in-WC set point matchesOptimize your outdoor cooling configuration with the Lennox 13Y20 4 Ton R410 TXV Valve, a mission critical thermal expansion device designed for precise refrigerant metering. This forged brass valve is engineered specifically for 4 ton air conditioning systems and heat pumps, ensuring that the evaporator coil remains effectively fed without the risk of liquid slugging. With a 1 2 inch FNPT inlet and 3 8 inch FNPT outlet, the 13Y20 integrates