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Danfoss HSA3 3-Port Valve Actuator

Q: Does anyone know the diameter of the wire? Need to purchase furrules?

Not sure what you mean by ferrules but from memory, the wires are about 2.5mm diameter.

Q: Is there any photos of bottom of this product

Unfortunately unable to supply any photos.

Q: Danfoss 5933 how does the manual lever work

The manual lever ensures that the hot water flows through the radiators, it can only be moved towards you when the radiators are selected ie. red light ON and the thermostat is set high enough so that flow can happen. Do not try to force the manual lever, it moves easily when what I have said earlier is correct. I use this facility sometimes when the main valve for automatic selection gets stuck and I need water to flow through the radiators. Ernest

Q: Hi i need to replace this item , the one i have has hpa5 will this work ? thanks

No. This will not replace the HPA2.

Product ID: 50647509

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Details

Material
Copper
Brand
Danfoss
Item dimensions L x W x H
12.5 x 11.1 x
Exterior finish
Copper
Inlet connection type
Threaded
Outlet connection type
Threaded

🔄Spring return manual override

⏱️Quick head replacement

⚙️3-port precision control

Frequently Bought Together

Danfoss HSA3 3 Port Valve Actuator, White

REGE105 REGIN 5 Way Plug/Socket with Strain Relief

Danfoss HPA2 22/28mm 2 Port Zone Valve Actuator Motor (4 Wire) 087N657900 Genuine Part - Hanicks

Description

⚙️ Upgrade your HVAC game with precision and speed!

EFFORTLESS UPGRADE - Replace just the actuator head—no full valve swap needed, saving time and cost.
COMPACT CERTIFIED - Lightweight 510g design with CE and WEEE certifications for trusted performance.
MANUAL OVERRIDE READY - Spring return lever allows instant manual operation when needed.
NO SYSTEM DRAIN REQUIRED - Disconnect wiring and unscrew without draining your entire heating system.
PRECISION 3 PORT CONTROL - Optimized for HS3 valve bodies, compatible with copper and iron pipework.

The Danfoss HSA3 3-Port Valve Actuator is a lightweight, CE-certified replacement head designed for HS3 valve bodies. It enables quick, tool-free upgrades without draining your heating system, featuring a spring return lever for manual control and compatibility with both copper and iron pipes.

Specifications

Manufacturer	Danfoss Randall
Part Number	HSA3
Product Dimensions	12.5 x 11.1 x 7.9 cm; 510 g
Item model number	HSA3
Size	1107.55 cc
Colour	White
Material	Copper
Item Package Quantity	1
Certification	CE, WEEE
Included Components	HSA3 valve actuator with 3 ports
Batteries included?	No
Batteries Required?	No
Item Weight	510 g

Have a Question? See What Others Asked

Does anyone know the diameter of the wire? Need to purchase furrules?

Is there any photos of bottom of this product

Danfoss 5933 how does the manual lever work

Hi i need to replace this item , the one i have has hpa5 will this work ? thanks

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