Rugged Construction: Features an all-steel case and cover to protect internal bellows and switch components from mechanical damage

Consistent 10kV Output: Delivers a high-intensity spark for immediate fuel ignition even in cold-start conditions

the system can grow up to 24 zones

Reference the Itron B42 capacity tables to confirm the 757623 part number matches your performance requirements

Utilizing the differential expansion principle

Lennox 56W70 Blower Housing R-410A Rugged Construction: Features an all-steelThe Lennox 56W70 Blower Housing is a heavy duty, direct fit replacement for the discontinued R45557 003. Engineered for high efficiency air handlers and gas fireplaces, this HVAC blower assembly is designed to support the internal centrifugal fan motor and ensure precise static pressure management. As a genuine OEM Lennox part, the 56W70 eliminates the vibration and alignment issues common with universal aftermarket housings. Its rigid, corrosion