Johnson Controls T-4752-202 Thermostat R-410A it is best practice to

it is best practice to replace components like-for-like to maintain the original wiring schematic and safety disconnect sequence

Key Benefits Modular Compatibility: Plugs directly into P352 series master controllers for rapid multi-stage expansion without additional wiring

this actuator is designed for small to medium-sized dampers where fail-safe operation is required during a power loss

Smith water heater 3/4-inch ports

Focus on maintaining proper flow direction—from B to A—to ensure the paddle closes correctly against system pressure

Johnson Controls T-4752-202 Thermostat R-410A it is best practice toThe Johnson Controls T 4752 202 is a professional grade dual temperature pneumatic thermostat engineered for precise control of heating and cooling systems in commercial HVAC environments. Operating as a two pipe pneumatic controller, this unit features a direct acting sequence at 15 psig for heating and a reverse acting sequence at 20 psig for cooling. Designed for vertical mounting, it utilizes a sensitive bimetal element to ensure accurate thermal