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For technicians servicing legacy or modern systems
To ensure system reliability and protect downstream controls
The A19ABC-12 comes standard with a 1/2" NPT well connector and an 8-foot capillary
What happens if I wire the primary side incorrectly
Johnson Controls T-4100-1 Thermostat 30067439-890 For technicians servicing legacy orThe Johnson Controls T 4100 1 is a professional grade single temperature pneumatic thermostat engineered for precise proportional control of industrial and commercial HVAC systems. This direct acting pneumatic thermostat features a low volume output design, making it a reliable drop in replacement for legacy pneumatic control systems. Operating within a dial range of 55 to 85? F, the T 4100 1 is optimized for vertical mount thermostat configurations