Hydraulic block incorporating a stainless steel and copper brazed plate heat exchanger, plastic fittings and adaptors, recirculation pump and a flow adjustment valve. Maximum operating temperature: Central Heating Circuit: 90°C, Direct Hot Water Circuit: 65°C. Maximum working pressure: Central Heating Circuit: 2.5 bar, Direct Hot Water Circuit: 10 bar.

Non-metallic materials and components comply with BS6920 at 65°C

Section:

1478 Heater

Section Subtitle:

Combination boilers - accessories and components.

WRAS Approval Number:

2303054

Expiry date:

31/03/2028

Size:

Secondary circuit: ½” BSP (M) inlet and outlet. Primary circuit: ¾" BSP (M) Inlet and outlet.

Marking:

KD one (brand of KD Navien Co Ltd), model and made in Korea on label on body.

Installation Requirements:

R001 R008

Model:

NCB 700 Hydraulic blocks: 30029298 (41kW), 30029109 (52kW).

Manufacturer:

KD Navien Co Ltd

Company Name

KD Navien Co Ltd

Address

4F Koami Bldg 22 Gukhoe daero, 76-gil Yeongdeungpo-gu Seoul, 07238

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