this series typically features an internal check valve
it features a single-try ignition sequence with an 8-second Trial for Ignition (TFI) period
it provides a reliable normally open circuit that closes upon reaching the specified set point to prove draft and authorize the ignition sequence
Precision Modulation: Delivers a consistent 0-15# output for smooth operation of pneumatic control valves and actuators
High-grade elastomer components provide a superior hermetic seal for consistent pressure management
Johnson Controls A40HA-1 Temperature Control R-410A this series typically features anJohnson Controls A40HA 1 Temperature Actuated Pneumatic Switch, Opens on Temperature Rise, Manual Reset, 140 220 Degree Setpoint Temperature Range, 10 Degree Differential, 6' Capillary Length, 11 16" x 3 1 4" Bulb, Screwdriver Slot Adjustment, 1 4" Barbed Fitting for Tubing A40HA 1 is identical to A40HA 1C