Description
The Hydrotherm BM-3355 is a 3″ Aeroquip Coupling designed for use in hydronic heating and hot water piping systems. Engineered to Hydrotherm’s exacting standards, this coupling provides a secure, leak-resistant connection at 3-inch pipe junctions, making it an essential component for boiler installations, hydronic distribution loops, and related plumbing assemblies.
Key Features
- Genuine Hydrotherm OEM replacement coupling
- 3-inch (3″) Aeroquip-style design for secure pipe connections
- Built for hydronic heating and hot water system applications
- Durable construction for long-term, leak-resistant performance
- Direct OEM replacement — ensures proper fit and compatibility with Hydrotherm equipment
Application
The BM-3355 coupling is suited for use in boiler piping, hydronic heating loops, and commercial or residential hot water distribution systems where a reliable 3″ pipe coupling is required. Always verify compatibility with your specific Hydrotherm equipment model before installation.
Specifications
- SKU: BM-3355
- Brand: Hydrotherm
- Connection Size: 3 inches
- Type: Aeroquip Coupling
- Application: Hydronic / Hot Water Piping Systems







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