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The Lennox 56W70 is a specific replacement part designed to fit air handlers and gas fireplace units originally equipped with the R45557-003 housing
gradual flow of gas upon ignition to minimize startup noise and stress on the heat exchanger
Rugged Construction: Built to NEMA 48 frame specifications for standard belly band or cradle mounting
the VS2517 is a 2-way zone valve body designed for two-position (on/off) flow control
featuring a 1/2" ODF sweat connection for a leak-free
Nailor Industries H1-0935H Control 318518-761 The Lennox 56W70 is aThe Nailor Industries H1 0935H Fan Speed Control is a heavy duty electronic component engineered specifically for high voltage 277V HVAC systems. Designed for field technicians and facility engineers, this 5 amp fan speed controller provides precise modulation for fan powered terminal units and VAV systems, ensuring manual airflow adjustment meets specific zone requirements. Unlike standard residential controls, the H1 0935H is built to handle the