replacing an aged or fouled gas control valve with this factory-spec unit restores the system's thermal efficiency and ensures the gas valve for Lochinvar boiler applications meets the original manufacturer’s pressure drop and flow rate requirements

and heat exchangers within a range of 0

it serves as a direct-fit HVAC replacement part for many OEM systems

It features a 15-second pre-purge (PP) cycle to clear residual gases and a 7-second trial for ignition (TFI) period

reducing energy consumption and preventing coil freeze-ups

Copeland 918-0056-21 Heater L99H008 replacing an aged or fouledFor industrial refrigeration and commercial HVAC systems, the Copeland 918 0056 21 480V crankcase heater is a mission critical component designed for robust compressor protection. Operating at 480 Volts, this crankcase heater ensures that the oil reservoir remains above the refrigerant saturation point during off cycles. This thermal regulation is essential to prevent refrigerant migration, which can lead to hazardous oil dilution and liquid slugging