What are the symptoms of a failing pressure switch in a Reznor UDAP heater

What refrigerant is the ZR61KCE-PFV-950 designed for

Technicians rely on this specific centrifugal blower fan to restore system efficiency and ensure the heat exchanger or cooling coil receive the correct cubic feet per minute (CFM)

making it a versatile choice for retrofit or new installs

secure attachment to existing vacuum hoses

Lochinvar & A.O. Smith 100108831 Electrode Ignitor 320735-701 What are the symptoms ofThis Lochinvar & A. O. Smith 100108831 Electrode Ignitor is a critical OEM replacement component designed for high efficiency commercial boiler and water heater combustion systems. Engineered for precise hot surface ignition, this silicone carbide based ignitor ensures a reliable spark for the pilot assembly, maintaining consistent burner sequences even in high demand environments. Its robust ceramic insulation prevents electrical leakage or grounding