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AiO.lv Differential pressure regulator Herz 4002 DN25 (model 1400243), DN25 pressure balancing valve Similar products

Alternatives and similar models for Herz differential pressure regulator 4002 DN25

Herz differential pressure regulator 4002 DN25 Photo 1

Based on this product's specifications, here are some alternatives and similar models

Differential pressure regulator Herz 4002 DN25 (model 1400243), DN25 pressure balancing valve
Summary description: Herz 4002 differential pressure regulator is a DN25 pressure balancing valve designed to maintain a stable differential pressure in heating and cooling systems. Model 1400243 provides automatic pressure stabilization to protect pumps and control valves, reduce hydraulic noise and ensure reliable flow distribution in radiators, manifolds and HVAC circuits.
Manufacturer: Herz
Category: Heating Radiators
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Radiator Angle Valve Herz 3/8" – Herz 1552420
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Radiator Angle Valve Herz 3/8" – Herz 1552420
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Herz radiator tee fitting 26x3–20x2–26x3 P 7226 05
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Radiator connection set Herz straight 3/4 x 1/2" with two nipples model 1376602
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Radiator Connection Valve Herz P711691, nickel-plated 16 x 2 mm, 300 mm
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Radiator Connection Valve Herz P711691, nickel-plated 16 x 2 mm, 300 mm
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Radiator return valve straight Herz 1/2" model 1372341
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Radiator return valve straight Herz 1/2" model 1372341
Delivery: 03.08.2026
15.49 €
Radiator connection set Herz angled 3/4 x 1/2" with two nipples model 1376612
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Radiator connection set Herz angled 3/4 x 1/2" with two nipples model 1376612
Delivery: 03.08.2026
15.99 €
Radiator return angled valve 1/2" Herz 1372441
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Radiator return angled valve 1/2" Herz 1372441
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Thermostatic Radiator Valve Head Herz Classic H with Liquid Sensor model 1726098
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Thermostatic Radiator Valve Head Herz Classic H with Liquid Sensor model 1726098
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Thermostatic Radiator Valve Head Herz with Remote Sensor, Adjustable 16–28°C, Model 1726040
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Thermostatic Radiator Valve Head Herz with Remote Sensor, Adjustable 16–28°C, Model 1726040
Delivery: 03.08.2026
16.99 €
Thermostatic Radiator Valve Head Herz Mini H with Liquid Sensor 1920068
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Thermostatic Radiator Valve Head Herz Mini H with Liquid Sensor 1920068
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Thermostatic Radiator Valve Herz TS-98-V 1762467
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Thermostatic Radiator Valve Herz TS-98-V 1762467
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18.49 €
Thermostatic Radiator Valve Herz TS-90 1/2" (straight) - model 1772367
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Thermostatic Radiator Valve Herz TS-90 1/2" (straight) - model 1772367
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18.99 €
Herz bypass body for two-pipe heating system model 1718914
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Herz bypass body for two-pipe heating system model 1718914
Delivery: 03.08.2026
18.99 €
Thermostatic radiator valve straight Herz 1/2" model 1772391
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Thermostatic radiator valve straight Herz 1/2" model 1772391
Delivery: 03.08.2026
18.99 €
Thermostatic Angle Valve Herz 1/2" special body, model 1772891
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Thermostatic Angle Valve Herz 1/2" special body, model 1772891
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18.99 €
Thermostatic Radiator Valve Head Herz Mini 1920060 – compact manual temperature control for radiators
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Thermostatic Radiator Valve Head Herz Mini 1920060 – compact manual temperature control for radiators
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19.99 €
Radiator valve Herz 1/2" straight (ligeløbende) model 1552321, 1/2 inch connection
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Radiator valve Herz 1/2" straight (ligeløbende) model 1552321, 1/2 inch connection
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20.49 €
Thermostatic Radiator Valve Herz TS-98-V 1/2" (model 1762367)
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Thermostatic Radiator Valve Herz TS-98-V 1/2" (model 1762367)
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21.49 €
Thermostatic Radiator Valve Angle Herz TS-90 3/8" model 1772465
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Thermostatic Radiator Valve Angle Herz TS-90 3/8" model 1772465
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22.99 €
Thermostatic Radiator Valve Herz TS-E 1/2" Straight (gravity-operated)
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