Bitron 3-Way Valve Hydraulic Body for Biasi Boilers - Ref. 33301603-L
Refurbished Manaut 3-way valves Bitron (Bitron Industrie)

Bitron 3-Way Valve Hydraulic Body for Biasi Boilers - Ref. 33301603-L

It is the hydraulic body of the three-way valve that distributes water between the heating circuit and the domestic hot water (DHW) circuit in Biasi boilers. The actual manufacturer is Bitron (Bitron Industrie); it is engraved with the code 33301603-L. Replacement requires first confirming the fault of the part through technical diagnosis, even when there is a failure in the switching between DHW and heating or the body is leaking water.

Type of part
3-way valves
Status
Refurbished
Catalogue reference
BI1351116
Warranty
1 year
VAT included Stock · 7 units
Compatibility

Boilers Biasi compatible with reference BI1351116

3-way valve with reference BI1351116. Two confirmed compatibilities: Myto Condens 24 and Myto Condens 35.

Proven compatibility

Boiler modelFamilyVerification
Biasi Myto Condens 24Myto CondensContrasted
Biasi Myto Condens 35Myto CondensContrasted

Can't see your model or have questions? The printed reference takes precedence. How to check it ·

Guide

How to check if the part number BI1351116 is the one for your boiler.

The part reference, model, and equipment revision must be verified against the manufacturer's documentation.

  1. Find the reference printed on the installed part and check whether it matches the catalogue reference BI1351116. If it is not visible, do not identify the part from its shape alone.
  2. Check the full boiler model on its data plate and look for it in the model associations on this page.
  3. Compare the connections and physical body with the original part before installation.
  4. If anything is unclear, send us a photo of the marking via WhatsApp before placing your order.
Diagnosis and fault codes

Symptoms that require diagnosis in the 3-way valve BI1351116

The 3-way valve diverts water between heating and domestic hot water. These are the typical symptoms and what to do:

Common symptoms and faults

  • 01

    You have hot water at the tap but the heating is not working, or vice versa.

    Cause: The body of the three-way valve does not switch correctly between the domestic hot water circuit and the heating circuit, so the water only goes to one of the two.

    Before changing the body, check if the motor or head of the gas valve moves physically when requesting domestic hot water; if it does not move, the problem may be with the motor and not with the hydraulic body.

  • 02

    You notice a drip or water leak right in the area of the three-way valve.

    Cause: The internal seals of the hydraulic body have worn out or the body has a crack, and water is leaking out instead of following the circuit.

    Locate the exact point of the leak with the cold boiler: if it comes from a visible joint, sometimes it is enough to check it or replace it before replacing the entire body.

  • 03

    The domestic hot water takes a long time or comes out mixed with warm heating water.

    Cause: The valve does not fully close one circuit while opening the other, and the water mixes between domestic hot water and heating.

    Make sure that it is not a problem with the domestic hot water priority misconfigured in the boiler before assuming that it is the gas valve.

These symptoms can have more than one cause. If your boiler displays a fault code, send it to us via WhatsApp along with a photo of the labeling, and we'll tell you if this is the part.

Technical data

Data sheet for the 3-way valve Biasi BI1351116

Catalogue reference
BI1351116
Uniclima internal SKU
GHMMC24
Brand
Manaut
Type of part
3-way valves
Units in stock
7 units
Status
Refurbished
Warranty
1 year
Shipping
Delivery time shown at checkout
Return
14 days

Part data and available documentation

Contrast the label codes, PCB, and revision with the installed part; they are not necessarily equivalent references.

manufacturer code (engraved on the part)
33301603-L
manufacturer
Bitron (Bitron Industrie)
Before purchasing
  • The actual manufacturer is Bitron (Bitron Industrie), not Biasi.
Frequently Asked Questions

Frequently asked questions about the 3-way valve BI1351116

Who manufactures the hydraulic body of the 3-way valve of the Manaut Myto Condens boiler?
It is manufactured by Bitron (Bitron Industrie), not Biasi.
What is the correct reference for this part, 33301603-L or BI1351116?
The correct one is 33301603-L, engraved on the body. The BI1351116, previously used in the catalog, does not correspond to this part.
What fault does this hydraulic body resolve in the Manaut Myto Condens boilers?
Resolve switching faults between domestic hot water and heating, or water leaks in the unit itself.
Is this Bitron 3-way valve compatible with the Biasi Myto Condens 24 boiler?
Yes, the Biasi Myto Condens 24 boiler is on the list of compatible boilers in this document.
What function does this component serve in the Manaut Myto Condens 35 boiler?
Distribute the water between the heating circuit and the domestic hot water (DHW) circuit.
What is the reference for this 3-way valve hydraulic body?
GHMMC24 is Uniclima’s internal SKU for locating this listing. To confirm compatibility, check the manufacturer’s reference and the exact appliance model.

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Bitron 3-Way Valve Hydraulic Body for Biasi Boilers - Ref. 33301603-L