CO2 Solenoid - Spring Switch Replacement

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Your solenoid is the electronic gateway of your CO₂ system. When your timer clicks off at night, the solenoid is supposed to shut tight to prevent midnight gas spikes and deadly pH drops while your livestock is sleeping. If you notice that bubbles continue to trickle out of your diffuser long after the power has cut out, your internal spring mechanism has likely worn down or gotten stuck. Instead of replacing your entire expensive regulator, the UNS Solenoid Spring Switch Replacement is a quick, inexpensive fix that restores a 100% airtight closure every single time the power shuts off. Key Features & Benefits Instantly fixes leaking regulators by ensuring the solenoid internal valve fully closes the second the power drops. Universal dual compatibility works seamlessly with both the UNS Mini and UNS Pro Dual Stage Regulator models. Preventing gas leaks protects your fish, shrimp, and bio-filter from dangerous, suffocating pH fluctuations. Product Specifications Product Type: Regulator Internal Mechanical Repair Part Regulator Compatibility: Fits UNS Mini Dual Stage and UNS Pro Dual Stage Regulators Core Function: Mechanical spring-assisted internal shutoff valve Listing Type: Includes replacement spring switch piece ONLY (Note: Main electronic solenoid body and regulator are not included with purchase). Show more