Dwyer Instruments SFI-100-1 Indicator 326010-701 This rail is a standard
Platform notes & fabric story
Description
Dwyer Instruments SFI 100 1 Indicator 326010 701 This rail is a standard This rail is a standard component for many 40RM and 40RU series air handlers Symptoms include the system being stuck in one mode (heating or cooling only) or a minimal temperature difference (less than 3°F) between the suction lines