This indoor tankless water heater is balance type gas water heater. It has below features: -Housing material: Metal painted (white) - Heat exchanger, heat efficency over 96%, Oxygen-free copper -Touch switch, Multiple protection -A shower opened,just coming the heat water -12L/13L/min hot water producing ability Parameter Storage/ Tankless: Instant/ Tankless Installation: Wall Mounted Power (W): 26000 Voltage (V): 220 Display: LED Thickness of panel: 0.6mm Dimater of exhaust pipe: 60mm Exhaust Way: Condensing forced type Applicable water pressure(Mpa): 0.03-0.1 Gas type&rated gas pressure(pa): LPG(2800)/NG(2000)/ Normal Specification Data ModelHeat exchanger(kg)Burner (mm)Product size (mm)Packing size (mm)Loading 20GP/ 40HQ (pcs)Remark 12/13L1.8-2.06 rows 157mm590*380*150745*525*225320/780 Exhibition We actively participate in online exhibitions through the Internet platform. Besides the online exhibition of Canton Fair, we will plan to take part in other prefessional online exhibitions platform. FAQ 1. Why choose us? A: Over 10 years professional in designing and manufacturing gas stoves, range hoods and gas water heaters experience. Experienced sales team. Advanced and experienced R&D Team. Strict production process and Complete production management. With advanced production lines, precise test instruments and our professional production management regulation, so that we make sure our quality is the best. 2. Why are our prices higher than other companies? Because we make good quality products with good materials. So our cost will be probably doublen other factories. 3. Do we accept custom orders? A: Yes. We can produce the products as per your requirements. But the MOQ is normall 500pcs, however, if it needs to change the moulds greatly, the mould fees need to be paid by the customer. 4. How to choose the right mode? A: Please tell us your requirements and details, we will help you find the right model. 5. What's the lead time of our products? A: Normally 25-35days if we have no the stock. That's to say,for new order, it needs 25days at least.but for the second order (same models and same details), it only need 15-25 days. 6. How to solve the technical problem when using? A: Please contact our local customer directly, we normally have one or two customers in the area. Or please contact our company's sales manager.Wholesale Balance Type Gas Water Heater website:http://www.gas-hob.com/gas-water-heater/balance-type-gas-water-heater/