The 440VAC rating ensures this unit is fully backward compatible with 370-volt systems

Its rugged construction allows for reliable performance in the demanding environments found within flue collector assemblies and burner trays

This HVAC rotalock fitting is the professional choice for ensuring reliable fluid transfer and long-term performance in Copeland-based systems

Inspect for a dirty air filter

Always verify your boiler’s serial number before installation

Field Controls 46092800 Vent Hood Freon The 440VAC rating ensures thisThe Field Controls 46092800, identified as the SWH 4 Aluminum Vent Hood, is a 4 inch termination component designed for reliability in residential and commercial venting systems. This sidewall vent hood is engineered to work seamlessly with power venters, draft inducers, and heat recovery ventilators. Constructed from high grade aluminum, the SWH 4 provides essential corrosion resistance for external exhaust applications. Contractors choose this 4