Bottle Coolers & Beer Fridges
Ice Cream Displays
Ice Cream Machines
Chest Freezers
Commercial Freezers
Commercial Fridges
Ice Cube Makers and Flakers
Wine Coolers
Bain Maries
Commercial Microwaves
Commercial Sinks
Commercial Ovens
Fryers and Chip Scuttles
Glass and Dishwashers
Pie Warmers & Hot Food Displays
Pizza Ovens
Water Boilers
Bar Supplies
Bowls & Display Baskets
Cash Registers
Chafing Dish Sets & Fuel
Menus & Boards
Table Numbers & Stands
Salt, Pepper & Spice Mills
Crockery
Cutlery
Glassware
Wine Glasses
Bins
Cleaning Chemicals
GreasePak
Janitorial Equipment
Laundry Equipment
Coffee Machines
Juice Dispensers
Juicers
Drink Blenders
Milkshake Blenders
Slush Machines
Water Boilers
Cookware
Gastronorm Containers
Ingredient Bins
Pastry & Baking
Utensils
Pizza Pans & Equipment
Food Storage
Food Transport & Delivery Bags
Folding Furniture
Garden and Outdoor Furniture
High Chairs
Chairs
Tables
33% OFF
Jarvis
Catering SpecialistJarvis is an AI assistant and may occasionally provide incorrect details. To ensure your equipment fits and functions perfectly, we recommend verifying all critical specifications-including dimensions, power requirements, and compatibility-with our expert sales team prior to purchase.For orders or stock, call 0333 355 0535
How can we help?
Choose an option below
Select an option to get started. We're here to help!
Product Questions
Specs, suitability, features & comparisons
Other Enquiries
Delivery, warranty, invoices & customer service
Polar
In Stock
Polar AE239 Thermostatic Expansion Valve For Blast Chiller Freezer Replacement Spare Part (Fits DN494)
£185.23
/ exc vat
£222.28/ inc vat
- OEM Specification
- Precise Refrigerant Control
- Durable Construction
- Essential System Component
Have a quick question about this product?
Ask instantly →
Top Feature Icons
- Genuine Polar PartGuaranteed to fit and perform.
- Restores Cooling PowerFixes temperature regulation issues.
- Direct Fit ReplacementDesigned for the DN494 model.
- Commercial Grade BuildTough enough for daily use.
Product Overview
This is a genuine Polar AE239 Thermostatic Expansion Valve, designed specifically as a replacement part for the Polar Blast Chiller Freezer model DN494. It is an essential component for regulating refrigerant flow, and replacing a faulty valve will solve issues such as inefficient cooling, failure to reach target temperatures, or inconsistent freezing cycles. Keep your blast chiller running at peak performance with this direct-fit spare part.
Technical Specifications
- Brand: Polar
- SKU: AE239
- Compatible Models: DN494
- Function: Regulates refrigerant flow into the evaporator
- Use: Blast Chiller / Freezer
- Material: Brass / Copper
Key Features & Benefits
- OEM Specification — Ensures perfect compatibility with your DN494 unit.
- Precise Refrigerant Control — Restores efficient and rapid cooling performance.
- Durable Construction — Provides long-lasting reliability in demanding kitchen environments.
- Essential System Component — Prevents potential compressor damage from incorrect refrigerant flow.
Expert Review
Daniel Foster Catering Equipment Maintenance Expert
Expert Review
If your blast chiller is struggling to get down to temperature or the cooling cycle is taking far too long, your thermostatic expansion valve is a prime suspect. This genuine Polar part is the exact match for the DN494. It’s a critical component for cooling efficiency, and while a qualified engineer is needed, it's a straightforward swap that will get your unit back to its best.
Installation & Maintenance
- Use a certified refrigeration engineer for installation.
- Ensure the system is depressurised before replacement.
- Always isolate the unit from the power supply first.
- Perform a leak check after installation is complete.
Frequently Asked Questions
Q: My Polar DN494 isn't getting cold enough. Could this valve be the problem?
A: Yes, a faulty expansion valve is a very common cause of poor cooling performance in refrigeration systems.
Q: Is this the correct part for the Polar DN494 Blast Chiller?
A: Absolutely. This AE239 valve is the genuine Polar-specified spare part for the DN494 model.
Q: Can I fit this part myself?
A: Due to the need to handle refrigerant gases, this part must be installed by a qualified refrigeration engineer.
Did You Know?
- A thermostatic expansion valve is crucial for controlling the superheat of the refrigerant.
- Replacing a faulty valve can significantly improve your blast chiller's energy efficiency.
- Incorrect refrigerant flow can lead to serious compressor damage over time.
Why Choose EasyEquipment?
-
Trusted for 50+ Years
We've been kitting out UK kitchens for half a century—we know our onions.
-
Speedy & Free Delivery
Get your gear fast with free UK mainland delivery, often as soon as the next day.
-
Price Match Promise
Find it for less elsewhere? We'll match the price, no quibbles or fuss.
-
Real UK Support
Got a question? Our friendly, UK-based team is on the phone, ready to help you out.
Ready To Order?
Restore your blast chiller's rapid cooling capabilities and prevent further component damage. Add the genuine Polar AE239 Thermostatic Expansion Valve to your basket now for swift dispatch to your business.