---
weight: 40
title: Components
description: StreamingFast Firehose components
---

# Components

## Firehose Component Family

The Firehose system is comprised of several key components that work together to provide your desired functionality.

* [Reader Node](reader.md)
* [Merger](merger.md)
* [Relayer](relayer.md)
* [Firehose](firehose.md)
* [Substreams](substreams.md)

## Component Relationships

The Firehose components work together in symphony to provide blockchain data from configured and instrumented nodes to consumers through the [Firehose](firehose.md) component.

{% hint style="warning" %}
**Important**_: Understanding the Firehose components individually is helpful for fully comprehending the overall system and will aid with setup and operation._
{% endhint %}