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A.O. Smith gas valve NAT G25
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A.O. Smith gas valve NAT G25 0310156(S)

€ 242.93 incl. VAT

Original spare part A.O. Smith. Type: Gas valve. Application: Hot water cylinder / BFC 30 (from 09-2009). Supplier code: 0310156(S).

SKU: 8750636 Categories: , Brand:

Price and stock checked on 20 October 2026.

✓ In stock — delivery usually within 3–5 working days
EU delivery from € 12.95 · Shipping & payment

Price incl. VAT. Any delivery costs are calculated in the basket — see shipping & delivery.

Does this fit my appliance?
ApplicationHot water cylinder
Series / modelBFC 50N and 4 other models
A.O. Smith number0310156(S)
Article number8750636
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for A.O. Smith BFC 50N →
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A.O. Smith gas valve NAT G25: original A.O. Smith spare part, type: Gas valve. Application: Hot water cylinder (BFC 30 (from 09-2009)). Manufacturer number: 0310156(S); Instalpunt article number: 8750636.

According to the A.O. Smith parts lists, this part fits 5 models, including A.O. Smith BFC 30 (from 09-2009), A.O. Smith BFC 50N and A.O. Smith BFC 60 (from 09-2009). The full list is under “Fits”.

In stock: order before 14:00 and it ships the same working day; delivery within the EU usually takes 3–5 working days.

Check the rating plate of your appliance before ordering; if in doubt, ask the manufacturer or your installer.

Product information: A.O. Smith gas valve NAT G25 0310156(S)

BrandA.O. Smith spare parts
A.O. Smith manufacturer number0310156(S)
Instalpunt article number8750636
EAN8717449241315
Part typeGas valve (All A.O. Smith gas valves and gas control · gas valves and gas control of all brands)
ApplicationHot water cylinder
Suitable for5 A.O. Smith models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 242.93 incl. VAT
OriginSupplied through the official technical wholesale channel, under A.O. Smith number 0310156(S)

Also known as: gasklep, gasregelblok, gasventiel.

Fits 5 A.O. Smith models

The part A.O. Smith gas valve NAT G25 0310156(S) is in the official parts list of these A.O. Smith appliances. Click a model for the complete parts list and exploded view.

A.O. Smith Hot water cylinder (5)

Check the rating plate of your appliance. Not sure whether this part fits? Check with the manufacturer or your installer; with the correct manufacturer number you can order it here directly.

For which fault is a A.O. Smith gas valve replaced?

According to the fault code database, these A.O. Smith fault codes point to this type of part. Always check first that the code matches the appliance type on the rating plate.

CodeWhat is going on
F07A flame was detected after the gas valve closed. Defective gas valves.
F08Safety relay error. Flame detected before the gas valve opens.
F10Limit on the number of ignition attempts based on switching of the flue damper relay. Flue damper relay switches during heat demand.
F11Flame detected with gas valve closed. Defective gas valves.
F13Flue damper is not driven by the motor. The motor does not open the flue damper.
F14The micro-switch does not detect the position of the flue damper.

All A.O. Smith fault codes explained

Indicative: the same code can have a different cause depending on the situation. Have work on gas, flue or burner adjustment carried out by a qualified installer.

Frequently asked questions about this item

Does the A.O. Smith gas valve NAT G25 0310156(S) fit my appliance?
This part is in the parts list of 5 A.O. Smith models, namely the BFC 30 (from 09-2009), BFC 50N, BFC 60 (from 09-2009), SGE 40 (from 31-12-2012), SGE 60 (from 31-12-2012). The model type is on the rating plate of your appliance. If in doubt, ask the manufacturer or your installer.
What is the delivery time for the A.O. Smith gas valve NAT G25 0310156(S)?
This item is in stock. Ordered before 14:00, it ships the same working day and usually arrives within three to five working days.
Can I return this item?
Yes, as a consumer within 14 days of receipt. You may unpack and inspect the item; for items that have been installed, connected or used (such as circuit boards) we deduct the diminished value. How to register your return is explained on returns.
What does shipping cost?
Shipping costs € 12.95 to Austria, Denmark, Italy, Spain and Sweden and € 16.95 to other EU countries. In-stock items ordered before 2 pm are dispatched the same working day; delivery usually takes 3–5 working days. Details: Shipping.
I have a fault code, which part do I need?
Look up the code in the fault code finder: per brand and appliance it shows what the code means and which part goes with it. If the code is listed with this part, the part belongs to that fault.

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