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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
COMMUNICATIONS BOARD
providing flexibility for specific OEM manifold layouts
making it a staple for contractors maintaining legacy Honeywell installations
Engineered from high-grade aluminum
Is the SA-217 compatible with high-pressure refrigerants
Trane VAL8557 Valve 326058-755 COMMUNICATIONS BOARDThe Trane VAL8557 is a precision engineered 2 way zone valve designed for effective fluid flow regulation within commercial and residential hydronic systems. This 1. 3 Cv valve body is optimized for modular integration, provided less actuator to allow technicians the flexibility to pair it with specific control motors based on site requirements. Featuring a robust 1 2 inch connection, the VAL8557 ensures consistent performance in high demand