Danfoss HS3 22mm 3 Port Motorised Mid Position Valve

Description

The Danfoss HS3 is a reliable 22mm 3 port motorised mid position valve designed to control the flow of heated water between central heating and domestic hot water circuits. Its motorised operation enables automatic system control, helping heating installations deliver hot water where it is needed while supporting comfortable and efficient temperature management.

Suitable for compatible domestic heating systems, this valve is a practical choice for replacement and new installation work. The standard 22mm connection size makes it suitable for common heating pipework, while the three port configuration allows the valve to manage heating and hot water requirements within one system.

Key Features

3 Port Valve Design

Controls water flow between central heating and domestic hot water circuits.

Mid Position Operation

Supports simultaneous heating and hot water operation when required by the system.

Standard 22mm Connections

Designed for use with common 22mm heating pipework.

Motorised Control

Allows automatic valve operation through a compatible heating control system.

Replacement Suitable

A practical option for replacing a compatible Danfoss 3 port motorised valve.

Heating System Efficiency

Helps direct heated water according to system demand for effective temperature control.

Technical Specifications

Brand	Danfoss
Model	HS3
Product Type	3 port motorised mid position valve
Connection Size	22mm
Operation	Motorised
Valve Position	Mid position
Typical Application	Domestic central heating and hot water systems
MPN	087N6613
EAN	5013567062300
Product Reference	81225

Where It Can Be Used

Domestic Heating Upgrades

Use in compatible domestic heating systems where one valve is required to manage the flow between heating and hot water circuits.

Replacement Installations

Suitable for replacing a compatible Danfoss HS3 valve during heating system maintenance or refurbishment.

Trade Heating Projects

A useful component for plumbers, heating engineers and installers working on compatible 22mm central heating systems.

Installation Information

Installation, electrical connection and commissioning should be completed by a suitably qualified heating engineer or competent professional. Before purchase, confirm the valve dimensions, wiring arrangement, system configuration and control compatibility with the existing installation.

BTU Calculator

BTU & WATT Calculator

Room Dimensions

Length (in m):

Width (in m):

Height (in m):

Room Type

Living Room

Bedroom

Kitchen

Bathroom

Conservatory

Hallway

Glazing Type

Single Glazed

Double Glazed

Triple Glazed

External Walls

0 Wall

1 Wall

2 Walls

3 Walls

4 Walls

Insulation Level

Poor

Average

Good (New Build)

Calculate

Required Heating

0

Watts

0

BTUs