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The Lennox 37803 is a plumbing fixture designed for dependable performance in your home improvement projects
Robust 1/2 horsepower for reliable performance
Set point at 0
Direct drive fan system for reliable operation
Caleffi 250041A Solar Systems Automatic Air Vent 1/2 NPT Connection voomi_id_7900 The Lennox 37803 is aProduct Description The Caleffi 250041A is an automatic air vent designed for solar systems. It features a one half inch National Pipe Thread (NPT) connection. The vent helps maintain optimal performance by venting air from the system. This unit is constructed from brass for durability and resistance to corrosion. Automatic air removal for better efficiency Brass construction for durability One half inch NPT male connection for easy setup Product
