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The Huadi Combi Boiler Water Flow Turbine is a reliable sensor used to detect and control water flow in combi boiler systems. Known by the model name FLOW TURBIN HD-1, this flow turbine works compatibly with ECA Whitestar, Novastar, Bosch Worcester and Buderus combi boiler models. With part numbers 87161461640 and 87199051440, this product provides accurate measurement thanks to its high-precision sensor technology.
This water flow turbine is compatible particularly with ECA Whitestar, Novastar, Bosch Worcester and Buderus combi boiler models. Manufactured by Huadi, this part accurately detects the water flow in combi boilers, ensuring that the system operates effectively and efficiently.
The flow turbine is the part that tells the main board that water is flowing when a tap is opened. The board does not ignite the burner without receiving this signal — in other words, if the turbine goes silent, the combi boiler does not fire at all for domestic hot water. The most common symptoms in the field:
If the impeller does not turn freely by hand when the turbine is removed, the part has reached the end of its life. Cleaning with descaler sometimes gives a temporary result; the permanent solution is replacement.
This product is compatible with the brands and models below. To avoid ordering the wrong part, verify the brand/model of your appliance; if you are not sure, ask for confirmation using the product/part code.
| Brand | Compatible Model / Series |
|---|---|
| ECA | Whitestar, Novastar |
| Bosch | Worcester |
| Buderus | Models using code 87161461640 |
| Yedepa Product Code | HAD01 |
| Equivalent / Original Code | 87161461640, 87199051440 |
| Model | FLOW TURBIN HD-1 |
| Turbine Type | Huadi-SCG-1-S30 |
| Connection Size | 1/2" - 1/2" |
The water flow turbine is a sensor that detects and controls the water flow in the combi boiler. With its high-precision sensor design, it measures the water flow accurately, ensuring that the system operates effectively and efficiently.
It is compatible with ECA Whitestar and Novastar, Bosch Worcester and Buderus combi boiler models.
The equivalent/original part numbers are 87161461640 and 87199051440. The Yedepa product code is HAD01 and the model name is FLOW TURBIN HD-1.
The connection size is 1/2 inch - 1/2 inch. The turbine type is Huadi-SCG-1-S30.
Yes, all our sales are invoiced. All orders, including those from service companies and technicians, are placed directly through our website.
Your shipment tracking number is sent to your e-mail and phone after ordering; you can follow its status in the “Where Is My Shipment?” section.
Yes. Under Consumer Protection Law No. 6502 you have the right of withdrawal/return within 14 days of delivery. To avoid ordering the wrong model, we recommend that you verify compatibility before ordering. Details are on our “Delivery, Returns and Exchanges” page.
You can pay by debit/credit card and Tosla, and take advantage of instalment/credit options through Fibabanka and Akbank. Current options are listed on our “Payment Options” page.
Yedepa is an e-commerce site; orders are placed through yedepa.com and shipped to your address by courier from our warehouses across Turkey and from our contracted suppliers. Our head office is at Cennet Mah. 2. Yavuz Selim Cad. No:68/A, Küçükçekmece / İstanbul.
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