The HERZ PUMPFIX DN25 distributor is designed for connecting two HERZ PUMPFIX pump groups in heating or chilled-water systems. It provides compact and organised distribution of supply and return flow between the heat source and two heating circuits. HERZ specifies this model as a sheet-steel, two-chamber distributor supplied with thermal insulation and mounting accessories.

The distributor is designed for wall mounting, and HERZ includes brackets, wall inserts, screws, washers and spacer elements in the set. Model 1450111 is a DN25 version for two circuits.

Technical information:

Manufacturer: HERZ

Series: PUMPFIX

Product type: distributor / manifold for pump groups

Manufacturer code: 1450111 / 1 4501 11

Nominal size: DN25

Number of circuits / pump groups: 2

Construction: two-chamber system

Housing material: sheet steel

Housing finish: black powder coating

Fittings material: cast iron EN-GJMW-400-5 according to DIN EN 1562

Thermal insulation: EPP

Flat seals: EPDM

Mounting brackets: galvanized steel

Maximum operating temperature: 110 °C

Maximum admissible pressure: 4 bar

Maximum flow DN25: 3 m³/h

Centre distance between supply and return connections: 125 mm

Overall length L: 550 mm

Height H: 324 mm

H1: 291 mm

L1: 123 mm

L2: 55 mm

L3: 125 mm

Connection G: G 1 1/4", female thread with free-turning nut

Connection G1: G 1 1/2", male thread

Medium: heating water according to ÖNORM H5195 or VDI 2035

Permitted ethylene or propylene glycol concentration: 25–50%

Installation: wall mounted

Included: mounting brackets, wall inserts, wall screws, M8 screws, washers and spacer elements.