
Maintain the integrity of your hydronic pump system with the 825458-001 Armstrong Ceramic Seal Kit. This essential maintenance component is specifically engineered for 1-1/4" Type 21 applications, ensuring a precise fit that prevents fluid bypass and protects your motor assembly from moisture intrusion.
This seal assembly utilizes a high-grade ceramic surface to minimize friction and thermal wear during high-cycle pump operations. By replacing aged or degraded seals with this OEM-standard kit, you restore the internal pressure balance of your circulation system, effectively eliminating nuisance leaks and preventing premature mechanical failure.
Key System Performance Baselines:
- Durable Construction: Engineered with premium ceramic faces for exceptional heat and chemical resistance.
- Precise Seal Engagement: Designed to maintain a high-pressure-tight barrier across the rotating pump shaft.
- Optimized Longevity: Helps reduce vibration and mechanical drag, extending the lifespan of your pump motor.
⚠️ Application Profile: Ideal for use in commercial and residential HVAC hydronic circulators, closed-loop fluid handling systems, and general maintenance of Type 21 pump assemblies.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 825458-001 |
| Seal Type | Type 21 Ceramic |
| Connection Size | 1-1/4" |
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.