The Watts 0881429 GB-E is a 1.5″ high-temperature gasket engineered for reliable, leak-free sealing in demanding hydronic heating and plumbing systems. Designed to withstand elevated operating temperatures, this gasket provides a durable, long-lasting seal at pipe connections, flanges, and fittings where standard gaskets may fail.
Key Features
- 1.5″ nominal pipe size for broad compatibility with hydronic and plumbing systems
- High-temperature construction rated for demanding heating applications
- GB-E series design engineered for secure, compression-resistant sealing
- Durable gasket material resists degradation from heat, pressure, and system fluids
- Drop-in replacement for maintaining system integrity during service and maintenance
- Manufactured by Watts — a trusted name in flow control and water quality products
Applications
- Hydronic heating systems and boiler piping
- Hot water distribution and plumbing connections
- Flange and union sealing in high-temperature service
- Commercial and residential HVAC hydronic circuits
Product Specifications
- SKU: 0881429
- Series: GB-E
- Size: 1.5″
- Type: High-Temperature Gasket
- Brand: Watts








