Description
The HTP 573520 is a genuine OEM replacement gasket engineered to maintain a leak-free seal in HTP boiler and heating system applications. Manufactured to the AFM34/2 Reinz specification, this 3/4″ gasket delivers consistent performance and long-lasting durability, ensuring your system operates safely and efficiently.
Product Overview
Designed as a direct OEM replacement, the HTP 573520 gasket is built to exact factory tolerances. The Reinz AFM34/2 designation indicates a high-quality fiber-reinforced gasket material, well suited for the demanding thermal and pressure conditions found in residential and light commercial hydronic heating systems.
Key Features
- Genuine HTP OEM replacement gasket
- 3/4″ sizing for precise fit in compatible HTP heating equipment
- AFM34/2 Reinz specification — high-quality fiber-reinforced gasket material
- Engineered for reliable sealing under thermal cycling and system pressures
- Helps prevent leaks and maintain system integrity
- Direct drop-in replacement for simplified installation
Applications
- HTP boilers and water heaters requiring 3/4″ gasket replacement
- Hydronic heating system maintenance and repair
- Scheduled preventive maintenance on HTP equipment
Ordering Information
- Brand: HTP
- SKU / Part Number: 573520
- Gasket Specification: AFM34/2 Reinz
- Size: 3/4″







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