Carrier HK02ZA441 Pressure Switch Els PW 17895 What is the purpose of

What is the purpose of the included adapter

and inert gases

this model allows for manual pre-setting of the flow rate to balance the system before the thermostatic head is installed

it secures directly to the motor shaft via a robust hub mount

How do I verify rotation

Carrier HK02ZA441 Pressure Switch Els PW 17895 What is the purpose ofAs a veteran tech, you know that keeping a system within design parameters is non negotiable for longevity. The Carrier HK02ZA441 Pressure Switch is a Factory Authorized Part designed specifically for high pressure monitoring in residential heating and commercial HVAC equipment. This OEM replacement part features a single pole single throw (SPST) configuration rated at 2A @ 24V and 125VA @ 115 230V. Built to strictly adhere to factory specifications,