The 56H frame specifies a base with multiple mounting holes

Universal Compatibility: Designed for seamless integration with Armstrong 360° swivel series steam traps and competitive universal modules

Technicians should verify the lead-end or shaft-end orientation against the existing unit's schematic before installation

the CE023 air pressure switch prevents hazardous conditions such as incomplete combustion or overheating due to vent blockages or blower failure

Verify the OEM part number and check the vestibule layout to ensure this replacement plastic header box matches your specific unit’s heat exchanger assembly

Lennox 24Z14 Thermostat 323080-701 The 56H frame specifies aThe Lennox 24Z14 is a professional grade 1H 1C universal programmable thermostat designed for reliable single stage control in residential and light commercial HVAC applications. This versatile digital control supports 7 day, 5 2 day, or non programmable configurations, providing technicians with the flexibility required for varying client needs. Engineered for compatibility with most 24V gas, electric, and oil systems, as well as single stage heat