Energy Conservation: Provides bubble-tight shutoff to prevent thermal leakage and optimize system Delta T

this specific model does not have an "off" position

Field best practices suggest replacement during any major system service

Industrial Durability: Robust material construction resists wear from steam

Does this include the entire actuator head

Johnson Controls T-4506-203 Thermostat Refrigerant Energy Conservation: Provides bubble-tight shutoffThe Johnson Controls T 4506 203 is a professional grade dual temperature pneumatic thermostat engineered for high performance HVAC control systems requiring direct acting logic. Designed for horizontal mounting, this unit facilitates seamless day night or heating cooling transitions with a 17 psig switchover pressure. With a robust 400 SCIM flow capacity and a highly efficient 20 SCIM air consumption rate, the T 4506 203 ensures precise terminal