Flowserve Pac-Seal #816707-001 Pump Seal Kit
$17.64 on Amazon.com (as of October 18, 2026, 2:55 AM EST) View details ↗
Premium Replacement Seal for Armstrong Circulation Pumps – The Flowserve Pac-Seal #816707-001 is a high-quality mechanical pump seal designed for Armstrong S-69 and H-63 through H-68 series pumps, as well as Series 1060 circulators. This OEM-grade seal ensures reliable performance and extended pump life, replacing older Bell & Gossett models PD39 and 60-14 through 60-20 with direct compatibility.
Engineered for durability and precision, this seal kit maintains tight tolerances to prevent leaks and minimize wear, making it ideal for residential, commercial, and light industrial hydronic systems. Whether upgrading an existing system or replacing a failed component, this Pac-Seal replacement delivers consistent performance with minimal downtime. Trusted by professionals for its reliability and compatibility, this seal is a cost-effective solution for maintaining optimal pump efficiency.
| Seal Size | 0.75″ |
|---|---|
| Compatibility | Armstrong S-69, H-63–H-68, Series 1060; replaces Bell & Gossett PD39, 60-14–60-2 |
| Manufacturer | Flowserve Pac-Seal |






