Astoria Group to Boiler Group Flange Screw
US$0.62
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US$0.62
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by ricercamy.com
Free 30-day returns Details
Product details
| Management number | 248410775 | Release Date | 2026/09/03 | List Price | US$0.62 | Model Number | 248410775 | ||
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| Category | |||||||||
Astoria Group to Boiler Group Flange Screw
Longer Allen-head screw used on the outside of the group head, passing through the group, frame gasket, and frame into the boiler flange. Four are used per group.
SPECIFICATIONS
- Size: M8 x 25 mm, Allen (hex socket) head
- Quantity: 4 per group
COMPATIBILITY
- Fits: All Astoria models, mounting the group head to the boiler flange (exterior)
- Related part: Shorter M8 x 16 mm frame-to-boiler screw (AS_64)
INSTALLATION
DIY-friendly with a hex key, though torque all four evenly in a criss-cross pattern to keep the group seated square against the frame gasket.
PRO TIPS
- Tighten these in a criss-cross (star) pattern rather than one at a time in sequence, this keeps even pressure on the frame gasket and helps prevent a boiler leak at the flange.
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