The Carrier HH12ZB190 Limit Switch is a critical OEM safety component engineered for HVAC high-limit protection in gas furnaces and packaged units

Key Benefits Efficient Integration: Enables rapid connection of the Safgard Model 1100 directly to the UTC Integrated Control Module secondary port

maintaining the manufacturer's original safety ratings

maintaining proper unit sequence of operation

this sequencer uses a standard 24V input control circuit

Parker 20CC02PV4T2A Valve The Carrier HH12ZB190 Limit SwitchThe Parker 20CC02PV4T2A is a precision engineered 1 8" NPT solenoid valve designed for high reliability HVACR and industrial fluid control. Featuring a 2 way normally closed (N C) configuration, this direct acting valve provides a 0. 32 Cv flow coefficient, making it ideal for managing low flow media such as lubricated air, inert gases, and water petroleum products. The 303 stainless steel body and FKM (Viton) seals ensure superior chemical resistance