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Layered blues for a quiet Nordic mood—built for long scrolls and clear product focus beside the sticky cabin window.
Wood-toned frames and chip trails keep the buy box grounded—harbor calm meeting cabin warmth without clutter.
the SM120-4VI is functionally identical to part numbers P040-12571
Built with a rugged brass body and high-grade EPDM seals
Efficient Staging: Supports 2-stage gas valve operation with adjustable staging delays to maximize homeowner comfort and fuel efficiency
000V output provides a stronger arc
typically 0-10VDC or 4-20mA
Carrier EF17BZ271 Reversing Valve THPU32HP7Y the SM120-4VI is functionally identicalThe Carrier EF17BZ271 Reversing Valve is a critical 4 way pilot operated refrigerant control designed for high performance heat pump systems. Engineered as a direct replacement for 1175622, this OEM component features a 1 2" x 7 8" ODF (Outer Diameter Flare) connection, facilitating precise directional control of refrigerant flow to switch between heating and cooling cycles. Operating on a standard 24V solenoid coil, this valve is a Factory Authorized
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