About this item

• 【Direct Replacement for Taco SR501】 This SR501-4 relay is designed as a direct, drop-in replacement for the popular Taco SR501 switching relay, ensuring perfect compatibility and easy installation in existing systems without any modifications.
• 【Reliable Single Zone Control】 Provides dependable control for one heating zone in hydronic (hot water) systems. Perfect for baseboard heat, radiators, or a single zone in a larger system, ensuring comfort where you need it.
• 【Simplified Installation & Wiring】 Features clear terminal labels and a straightforward wiring design, making it easy for HVAC professionals and experienced DIYers to install or replace quickly and correctly.
• 【Durable 24V Operation】 Built for safety and compatibility with standard low-voltage HVAC control systems. Operates on 24V, making it a reliable and energy-efficient component for your heating setup.
• 【Trusted Performance & Durability】 Built to the same high standards you expect from the Taco brand. This relay ensures long-lasting, reliable performance to manage your heating zone season after season.Please confirm your original part number before placing an order.

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