Eco-King Ultimate Commercial Boiler EK 399 DHW
Eco-King Ultimate Commercial Boiler EK 399 DHW is backordered and will ship as soon as it is back in stock.
High-Efficiency Commercial Wall-Hung Boilers
Our commercial wall-hung boilers provide up to 96% efficiency using European state-of-the-art condensing technology, delivering reliable, energy-saving heating for commercial applications.
🔥 Multiple Sizes & Models
Available in three sizes – 300, 400, and 500 MBH – with two models: standard boiler and volume water heater.
🌟 Durable ASME Stainless Steel Heat Exchanger
Engineered for long-lasting reliability and superior corrosion resistance.
⚡ Expandable Cascade System
Cascade up to 16 boilers in a row. Racking systems support 2–4 units per rack with a Low Loss Header, offering plug-and-play installation.
💨 Flexible Venting Options
Includes 3-in-1 venting adapters, allowing venting directly off the top using (C)PVC, PP, or stainless steel.
📱 Smart Control & Connectivity
Optional Wi-Fi with mobile app capability. All boilers include outdoor sensors and Bacnet/Modbus connections for advanced integration.
💧 Multiple Pump Connections
Supports dual temperature capability for domestic hot water tanks and heating systems, providing efficient and customizable operation.
| Dimensions (h x w x d): 33" X 17" x 21" |
| Weight: 173 lbs. |
| Estimated Water Content: 2.19 gpm |
| Flow/Return connections: 1" |
| Gas connection: 3/4" |
| Exhaust & Intake connections (multiple options): 100 / 110 / 4” |
| Gross Input: 399,000 BTU |
| AFUE *1 : - |
| Combustion Efficiency: 94.7% |
| Gas Supply Pressure: nom/min/max : 7"/3.5"/11" |
| Electrical Supply: 120 V / Phase / 60V / 12A |
| Recovery Rate (DHW Models): 428 gph |
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Eco-King Ultimate Commercial Boiler EK 399 DHW
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Easy to work with, fast shipping
Able to order easily and it was delivered ontime,
Product is a bit cheaper and shipping was fast.
It arrived on time and the product arrived in good condition and was what I ordered.
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I ordered a new SanCO2 heat pump hot water heater through David and the team at PlumbEStore, they were friendly and helpful. Great price and timely delivery. There was a small problem with an item that didn’t get delivered, I called and he overnighted the missed item.
Kudos to a great brand, I told my plumber about your service too!
Smooth experience all around.
Got it shipped to me easily. Delivery was simple. Now just waiting on the plumber to install it so cant say much more.
Ordering the North Star NSCWC was easy, affordable, and fulfilled without issues. I would definitely recommend PlumbEstore.
Very good would item. I will definitely buy from you again. Well packed for shipping. UPS driver was very rough when delivering it. The item was still in good shape.
Ordered you took about five days to be delivered by UPS ground in great condition. Customer service was excellent. I would order from them again.
Great product, Excellent delivery, will order again
I had a good experience. Everything was clearly explained,understood and on time..0
Arrived quickly and at a great price.
