Description
The Daikin-McQuay A15214-1 is an OEM fusible plug rated at 168°F (75.6°C), manufactured by Mueller to meet the exacting standards of Daikin-McQuay commercial HVAC and refrigeration equipment. Fusible plugs are critical safety devices designed to relieve pressure in refrigeration and chiller systems before dangerous over-temperature or over-pressure conditions can cause equipment damage or system failure.
Product Overview
Fusible plugs function as a passive, one-time-use safety relief mechanism. When system temperatures reach the rated threshold — in this case 168°F — the plug’s fusible alloy core melts, venting refrigerant or pressure to prevent catastrophic failure. This OEM-specification component ensures a proper fit and reliable performance in Daikin-McQuay systems.
Key Features
- Rated temperature: 168°F (75.6°C) fusible alloy core
- Manufactured by Mueller Industries to OEM specifications
- Designed as a direct OEM replacement for compatible Daikin-McQuay equipment
- Passive safety device — no power or actuation required
- Single-use pressure relief protection for refrigeration and chiller systems
- Helps protect equipment and personnel from over-temperature conditions
Application
- Compatible with select Daikin-McQuay commercial refrigeration and chiller equipment
- Suitable for use in systems requiring fusible plug safety relief per applicable codes and standards
- Consult equipment documentation to confirm compatibility before installation
Why Choose OEM Parts?
Using genuine OEM-specification components like the A15214-1 ensures proper fit, rated performance, and compliance with original equipment design intent. Non-OEM substitutes may not meet the precise temperature rating or thread specifications required for safe, reliable operation.







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