Ansul / Pyro-Chem 1/2" Compression Union - 079827
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Wholesale PricingThe Ansul / Pyro-Chem 1/2 inch Compression Union (P/N 079827) is a bulkhead fitting used in the detection conduit run of Ansul and Pyro-Chem pre-engineered kitchen fire suppression systems. As the 1/2 inch EMT conduit carrying the detection cable passes through restaurant hoods, ducts, and walls, this union creates a liquid-tight, mechanically secure connection point between conduit sections, accepting a high-temperature pulley elbow where needed and correctly positioning it in line with the conduit adaptor hole in the detector bracket.
This is a small but structurally important fitting. The detection cable inside the conduit must run smoothly and maintain consistent tension along its entire length back to the release mechanism, and a poorly seated or incorrect union can introduce binding, misalignment, or a path for moisture intrusion into the conduit run. Replacement unions should always match the specified part number for the system's existing conduit layout.
| Feature | Details |
|---|---|
| Manufacturer | Ansul / Pyro-Chem |
| Part Number | 079827 |
| Component Type | Compression Union |
| Size | 1/2 Inch (EMT Conduit) |
| System Compatibility | Ansul R-102 and Pyro-Chem Kitchen Fire Suppression Detection Conduit Runs |
| Function | Liquid-Tight Conduit Connection for Detection Cable Run |
Kitchen suppression systems are pre-engineered systems under NFPA 17A, and any modification to the detection conduit run, including replacing a compression union, must be performed by a certified distributor for the system in question.
- Semiannual Professional Service: A qualified technician inspects the conduit run, including unions and elbows, for corrosion, looseness, or damage during each required service interval.
- Replacement Trigger: If a union shows corrosion, looseness, or is not seated correctly against the conduit, it should be replaced with the correct OEM part for the existing conduit size and layout.
- Post-Replacement Check: After any conduit work, the detection cable's tension and free movement through the run must be verified before the system is returned to service.
Is this part specific to Ansul, or does it also work with Pyro-Chem systems?
This compression union is used across both Ansul R-102 and Pyro-Chem kitchen fire suppression systems, which share compatible 1/2 inch EMT conduit detection hardware. Confirm fitment with your certified distributor based on your specific system's existing conduit configuration.
Can a general contractor or electrician install this during hood renovation work?
No. Any modification to the detection conduit of a certified kitchen fire suppression system must be performed by a distributor certified for that system, since incorrect conduit work can affect detection cable tension and the system's ability to actuate correctly.
Why does conduit condition matter for a fire suppression system?
The detection cable inside the conduit must move freely and maintain consistent tension along its full length to the release mechanism. A damaged or improperly seated union can introduce binding or allow moisture into the conduit, either of which can affect the reliability of the automatic detection system over time.
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