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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
The valve features standard leaded connections suitable for 120V/60Hz AC electrical systems typically found in North American industrial control panels
engineered to withstand the intense thermal cycling typical in modulating condensing boilers
this regulator utilizes a unique conical valve design that allows gas to flow directly through the body without directional changes
Safety Focused: Enclosure cover protects live terminals and set point adjustments from accidental contact
This specific mechanical component is a direct-fit solution for the upper valve of Series TC-4 Test-N-Check configurations
York 331-03478-605 Chiller Service Board Kit 324846-701 The valve features standard leadedThe York 331 03478 605 Chiller Service Board Kit is the verified OEM replacement for the obsolete 331 03478 101 and 331 03478 609 models. Engineered for high performance York YVAA, YVFA, and YAGK chillers, this Service Board Kit is critical for restoring HVAC control system integrity and system communication. For technicians troubleshooting chiller fault codes or "unit won\'t start" conditions, this control board maintains the precise operational
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