The Model SMD series is typically rated for a maximum glass pressure of 1/2 PSI (approx

Why is my furnace failing to sense flame with a new ignitor

Common Questions: What valves are compatible with the Emerson 057631 AMC coil

One of the primary advantages of this replacement actuator is that it can be swapped by removing the mounting screws or using the "Quick Fit" button (on 5000 series) without exposing the hydronic fluid

When upgrading or repairing condensing furnace parts

Ranco O10-1894 Control 30067439-890 The Model SMD series isThe Ranco O10 1894 Single Pressure Control is a rugged, commercial refrigeration pressure switch designed for high pressure limit applications. Built for veteran contractors, this SPST open low control features an adjustable pressure range of 100 to 400 PSI, making it ideal for monitoring high side discharge or condenser fan cycling. The Ranco O series utilizes laser welded stainless steel bellows and the SUPER CAP capillary protection system to