Parker Thermostatic Expansion Valve: C, Straight-Thru, 0.3 ton Nominal Capacity - Gen
The PARKER Thermostatic Expansion Valve (MPN EC-AA-SZ) is a straight-thru configured thermostatic expansion valve for R-404A refrigerant. It features field-adjustable superheat and includes a sensing bulb mounting…
SKU 3G-OTH-74292
Need installation or engineering help?
Ask a question
Product Description
The PARKER Thermostatic Expansion Valve (MPN EC-AA-SZ) is a straight-thru configured thermostatic expansion valve for R-404A refrigerant. It features field-adjustable superheat and includes a sensing bulb mounting clamp. This valve has a nominal capacity of 0.3 ton.
Frequently Asked Questions
What is the PARKER EC-AA-SZ thermostatic expansion valve used for?
The PARKER EC-AA-SZ thermostatic expansion valve is used in refrigeration systems to meter R-404A refrigerant flow. It is a straight-thru configuration with field-adjustable superheat, suitable for low-capacity applications up to 0.3 ton. Includes a sensing bulb mounting clamp for precise temperature control.
What are the specifications of the PARKER EC-AA-SZ thermostatic expansion valve?
The PARKER EC-AA-SZ is a straight-thru thermostatic expansion valve with 0.3 ton nominal capacity for R-404A refrigerant. It features field-adjustable superheat and includes a sensing bulb mounting clamp. The manufacturer part number is EC-AA-SZ, and it is a straight-thru configuration.
Where to buy the PARKER EC-AA-SZ thermostatic expansion valve worldwide?
3G Electric supplies the PARKER EC-AA-SZ thermostatic expansion valve worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance for international delivery. Contact us to source this valve for your refrigeration system, with support across 14 industrial departments.
How to install the PARKER EC-AA-SZ thermostatic expansion valve?
Install the PARKER EC-AA-SZ valve in the liquid line before the evaporator, ensuring proper orientation for straight-thru flow. Secure the sensing bulb to the suction line with the included clamp, and adjust superheat using the field-adjustable mechanism. Follow standard refrigeration best practices for brazing and leak testing.
Used in
Common applications for ParkerParker Products
3G Electric supplies Parker thermostatic expansion valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
