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Why you’ll love it

RestaurantSupply.com is your trusted source for Micro Matic draft beer system parts.

  • Authorized Micro Matic dealer, ensuring genuine commercial restaurant equipment and manufacturer support
  • Fast shipping available on in-stock Micro Matic 8403 draft beer system parts
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

Micro Matic 8403 4.5 Inch Economy Series Regulator Bonnet Assembly

Micro Matic  |  MFG #: 8403  |  Item #: 398685
Item: #398685

Technical details
Manufacturer Micro Matic USA
Model Number 8403
Manufacturer Part # 8403
Type CO2 Kit Parts

About this item

Product Details

The Micro Matic 8403 Economy Series Regulator Bonnet Assembly is a precision-engineered component designed for use within draft beer systems. Manufactured by Micro Matic USA, this regulator bonnet is constructed from durable materials to withstand demanding commercial environments. It provides essential adjustment control for CO2 regulation, ensuring optimal beverage carbonation and flow consistency. Its compatibility with Micro Matic’s draft beer components makes it a reliable choice for bar, restaurant, or retail beverage applications. Featuring a streamlined design, the 8403 bonnet assembly facilitates ease of maintenance and quick adjustments, contributing to operational efficiency in high-volume settings. The product is specifically built to sustain precise pressure control with a rated capacity suitable for moderate draft beer service, ensuring stable performance under typical workloads.

Top Micro Matic 8403 Features

The Micro Matic 8403 Economy Series Regulator Bonnet Assembly offers precise pressure regulation with a corrosion-resistant body, simplifying maintenance in busy commercial setups. Its ergonomic design allows fast calibration, while its robust construction ensures durability during frequent use. Compatible with standard draft beer lines, it enhances workflow efficiency. Suitable for medium-volume beverage operations, it supports seamless integration within existing draft systems. Designed for straightforward replacement, it improves operational uptime in foodservice environments.

  • Functionality: Accurate pressure regulation for consistent beer carbonation
  • Durability: Made from corrosion-resistant metals for long-term use
  • Ease of Maintenance: Compatible with quick-release fittings for rapid servicing
  • Use Case: Fits standard draft beer systems in bars and restaurants
  • Workflow Benefit: Enhances pressure stability, reducing line adjustments

Ideal for installation in draft beer dispensing setups for reliable flow control and extended component lifespan.

Micro Matic 8403 Technical Specs

The Micro Matic 8403 regulator bonnet is built for reliable performance in draft beer systems, featuring a standard configuration compatible with CO2 kit parts. It is constructed from high-grade metals suited for frequent usage in commercial kitchens, with dimensions that facilitate straightforward installation. The assembly operates effectively within an operating temperature range of 32°F to 140°F, ensuring stability across typical bar environments. Its corrosion-resistant material ensures longevity, while the compact design allows easy access within tight spaces. With a rated capacity tailored for moderate workloads, it supports consistent product presentation with minimal adjustments needed. The overall weight of the assembly ensures stability on installation surfaces, and the product's robust build supports sustained operation in demanding settings.

  • Manufacturer: Micro Matic USA
  • Model Number: 8403
  • Type: CO2 Kit Parts
  • Dimensions: Approx. 4.5" W x 3" D x 2" H
  • Construction & Finish: Stainless steel with a matte finish
  • Operating Range: 32°F to 140°F
  • Material Safety: Food-safe, corrosion-resistant metals with compatibility for cleaning routines
  • Weight: Approximately 0.5 lbs
  • Electrical Requirements: Not applicable, designed for pneumatic operation
  • Cooling Method: Not applicable, air-cooled by design
  • Refrigeration Type: Not applicable
  • Production Capacity: Supports typical draft system flow rates
  • Energy Use: No electrical power required
  • Cleaning & Maintenance: Disassembly compatible for regular sanitization
  • Usage Compatibility: Fits standard CO2 regulator setups and beer lines
  • Assembly Required: No, ready for installation upon receipt

What is a commercial draft beer system part?

The Micro Matic 8403 Economy Series Regulator Bonnet Assembly is a critical component within draft beer systems, used to regulate CO2 pressure for optimal beverage dispense. It is typically installed as part of the CO2 flow regulation assembly in venues such as bars, pubs, or restaurants. This regulator bonnet ensures consistent pressure output, supporting stable carbonation levels and smooth flow rates during service. Suitable for moderate-volume establishments, the 8403 integrates seamlessly with existing draft system components, providing reliable control to maintain product quality and operational efficiency over extended periods.

Top draft beer system parts for commercial foodservice environments

The Micro Matic 8403 Economy Series Regulator Bonnet Assembly is engineered for precise pressure regulation and is ideal for moderate draft beer operations in bars, restaurants, and retail venues. Built for durability and ease of maintenance, it supports efficient workflow in busy foodservice settings. Designed for reliable performance, it ensures stable carbonation and flow, making it an essential part of commercial draft systems for medium-volume beverage service.

  • Operation Type — moderate-volume draft beer setups
  • Kitchen Type — commercial kitchens in bars and restaurants
  • Foodservice Category — draft beer dispensing equipment
  • Workload Qualifier — suitable for steady but not high-intensity output
  • Use Case — pressure control in beer line systems with reliable regulation

Why Choose Micro Matic 8403?

Why Choose Micro Matic 8403 Economy Series Regulator Bonnet Assembly? This model offers enhanced durability with robust, corrosion-resistant construction, ensuring long-term performance in demanding environments. Its precise pressure regulation optimizes beverage quality, while its simple installation and maintenance reduce downtime. Designed for consistent operation in medium-volume draft systems, it outperforms standard components by delivering stable carbonation and reliable service in busy commercial venues.

  • Compact footprint facilitates installation in tight spaces
  • Corrosion-resistant design extends product lifespan
  • Standardized for seamless integration with existing systems
  • Supports steady pressure for optimal beverage carbonation
  • Constructed for reliability in restaurant-ready draft systems

Customer reviews

Micro Matic 8403 Economy Series Regulator Bonnet Assembly
Micro Matic USA

Micro Matic 8403 4.5 Inch Economy Series Regulator Bonnet Assembly

$11.09 $23.35

Micro Matic USA, 8403, Economy Series Regulator Bonnet Assembly