HVAC drain pump

Foul-Resistant Design: The raised seat above the drain prevents sediment accumulation and water trapping

minimizing system downtime for contractors and facility managers

By allowing the ECO switch to break the thermocouple signal during over-temperature conditions

serving as the primary defense against heat exchanger failure and overheating

Lennox 78L19 Expansion Valve Refrigerant HVAC drain pumpProper refrigerant metering is the backbone of any reliable HVACR system, and the Lennox 78L19 Expansion Valve is a critical component for maintaining precise superheat. Designed for high performance residential and light commercial equipment, this Thermostatic Expansion Valve (TXV) is chemically compatible with both R 410A and R 22 systems. The 78L19, which is identical to 78L1901, features a durable brass body with threaded connections, making it a