Honeywell Gas Valve for Saunier Duval Themafast C 24 E Boiler - Ref. S1071500

Saunier Duval boilers compatible with reference S1071500

Gas valve with reference S1071500. 28 verified compatibilities: C24E and C25E.

Proven compatibility

Can't see your model or have questions? The printed reference takes precedence. How to check it · Send us a photo via WhatsApp.

How to check if ref. S1071500 is the part for your boiler

What determines it is not the boiler model, but the reference printed on the part you already have installed.

1. Find the reference printed on the installed part and check whether it matches the catalogue reference S1071500. 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.

Symptoms and faults that the gas valve S1071500 resolves.

The gas valve regulates and modulates the gas flow to the burner. These are the typical symptoms and what to do:

Common symptoms and faults

• 01

  The boiler tries to ignite, you can hear the click of the gas valve but there is no flame and it locks out.

  Cause: The coil does not open the gas passage in time, and the control unit cuts the ignition cycle for safety.

  Check that the gas shut-off valve is fully open and that there is network pressure before declaring the valve faulty.

• 02

  There is a smell of gas near the boiler even when it's turned off.

  Cause: The body or internal seals of the valve have lost tightness and are allowing some gas to pass through with the coils closed.

  Ventilate the area, do not handle anything with flames or sparks nearby, and turn off the main valve before notifying a technician.

• 03

  The flame comes out irregular or with small sparks when the burner starts.

  Cause: The two selector coils do not open synchronously, and the gas reaches the burner unbalanced.

  Check that the wiring of both coils is properly connected and free of corrosion before replacing the part.

• 04

  The display shows a gas lockout error and does not reset even after multiple resets.

  Cause: The control unit does not detect the correct opening of the valve within the safety time and keeps the lock engaged.

  Note the exact fault code in the boiler manual: some gas lockouts can be resolved from the panel itself before replacing the gas valve.

Fault codes from Saunier Duval that this spare part resolves.

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.

Data sheet for the Saunier Duval gas valve S1071500.

Catalogue reference

S1071500

Brand

Saunier Duval

Type of part

Gas valves

Units in stock

5 units

Status

Refurbished

Warranty

1 year

Shipping

1-2 business days

Return

14 days

Data read on the part and in the manufacturer's documentation

What we have not been able to verify does not appear here.

Manufacturer (label)

Honeywell

Honeywell code

8600 171-14B 1

Voltage

24 VDC

Consumption

6 VA

Gas

Natural gas (GAZ NATUREL)

Degree of protection

IP 20

Maximum pressure

60 mbar

Class

B+B

Manuals and technical documentation

Official documentation of the boiler, useful for locating the part and cross-referencing the fault codes.

• Saunier Duval Themafast C28E Manual (PDF)Document © Saunier Duval, provided as a technical reference.