Печь для обжига горячая.

Here it is the noun: печь = oven / stove / kiln.

Russian has two different words that look the same in writing:

• печь (noun) = oven, stove, kiln
• печь (verb, infinitive) = to bake

In this sentence, it must be the noun, because:

• it is followed by для обжига (for firing), which describes a thing
• it matches with горячая, a feminine adjective, as if saying The kiln is hot

So Печь для обжига горячая means something like The firing kiln is hot or The oven for firing is hot.

Because печь is a feminine noun.

In Russian, adjectives must agree with the noun they describe in:

• gender
• number
• case

Here:

• печь is feminine singular
• so горячий changes to the feminine form горячая

Compare:

• горячий чай = hot tea (masculine)
• горячая печь = hot oven/kiln (feminine)
• горячее молоко = hot milk (neuter)
• горячие пирожки = hot pies (plural)

That is a very common question. A noun ending in -ь can be either masculine or feminine, so you often just have to learn its gender with the word.

In this case:

• печь is feminine

You can also see that from the adjective:

• горячая is feminine
• therefore печь must be feminine too

So it is a good habit to learn new nouns together with their gender, for example:

• печь (f.)
• день (m.)
• ночь (f.)

In Russian, the verb to be is usually omitted in the present tense.

So:

• Печь для обжига горячая literally looks like Kiln for firing hot
• but it means The kiln for firing is hot

This is completely normal in Russian.

Compare:

• Он дома. = He is at home.
• Книга интересная. = The book is interesting.
• Печь горячая. = The oven is hot.

If you want past or future, Russian does use forms of быть:

• Печь была горячая. = The kiln was hot.
• Печь будет горячая. = The kiln will be hot.

Для means for, and обжиг is a noun meaning firing, baking, or calcining, depending on context.

So:

• для обжига = for firing

In this sentence, it describes the purpose of the kiln/oven:

• печь для обжига = a kiln for firing

This is a very common Russian pattern:

• стакан для воды = a glass for water
• машина для работы = a machine for work
• печь для обжига = a kiln for firing

Because the preposition для normally requires the genitive case.

The base noun is:

• обжиг = firing

After для, it changes to the genitive singular:

• для обжига = for firing

So the pattern is:

• nominative: обжиг
• genitive: обжига

This is one of the first important preposition-case combinations to learn:

• для + genitive

Examples:

• для дома = for the house
• для брата = for the brother
• для работы = for work
• для обжига = for firing

Yes. Печь для обжига works as one unit: a kiln / an oven for firing.

Inside that phrase:

• печь is the main noun
• для обжига tells you what kind of oven/kiln it is or what it is used for

Then the whole phrase is the subject of the sentence:

• Печь для обжига = the kiln for firing
• горячая = is hot

So the sentence structure is:

• [Subject] Печь для обжига
• [Predicate adjective] горячая

Yes, very often that is the most natural English translation.

Word-for-word, it is something like:

• oven/furnace for firing

But in normal English, especially for ceramics or industrial use, kiln is often the best translation.

So depending on context, the sentence could be:

• The kiln is hot.
• The firing kiln is hot.
• The oven for firing is hot.

If the meaning has already been given to the learner, the main grammar point is still the same.

Yes, Russian word order is much more flexible than English word order.

The neutral order here is:

• Печь для обжига горячая.

This sounds like:

• The kiln for firing is hot.

But you could change the order for emphasis:

• Горячая печь для обжига. = a hot kiln for firing / the kiln for firing is hot (depending on context)
• Для обжига печь горячая. = possible only in a special context, with strong emphasis

Russian word order often reflects:

• what is already known
• what is new information
• what the speaker wants to emphasize

For a learner, the given order is a good neutral sentence pattern.

Because горячая is an adjective agreeing with the noun печь.

• печь = a feminine noun
• so the describing word must also be feminine:
  • горячая

Горячо is different. It is usually an adverb or a predicative word, meaning hotly or it is hot in a more impersonal sense.

Compare:

• Печь горячая. = The oven is hot.
• Здесь горячо. = It is hot here.

So in your sentence, you need the adjective form, not the adverb/predicative form.

In modern everyday Russian, горячая is the normal choice here.

Russian also has short-form adjectives, and for горячий the feminine short form is горяча. But in this sentence, that would sound more literary, marked, or stylistically different.

So:

• Печь горячая. = normal, neutral
• Печь горяча. = possible, but less neutral and less common in ordinary speech

For most learners, it is best to use горячая in a sentence like this.

The stress is:

• Печь
• для обжи́га
• горя́чая

So roughly:

• Pech' dlya ab-ZHEE-ga ga-RYA-cha-ya

A few notes:

• печь ends in a soft consonant sound
• для is pronounced quickly, almost like dlya
• обжига has stress on жи
• горячая has stress on ря

If you want to sound natural, say it smoothly as one thought:

• Печь для обжи́га горя́чая.

Probably not in most contexts.

The phrase печь для обжига strongly suggests a special oven/furnace used for firing something, such as:

• ceramics
• clay
• enamel
• industrial materials

That is why kiln is often the best English equivalent.

A regular cooking oven would usually be described differently, depending on context. So this sentence most naturally refers to a kiln or some kind of firing furnace.