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Simple Millivolt Operation: Self-powered design eliminates the need for external 24V wiring or transformers
crucial for varying load conditions in low-pressure steam lines
Designed for gas-fired unit heater applications
making it a drop-in upgrade for existing HVAC control systems
this relay offers the consistent arc suppression and mechanical snap needed to maintain system uptime
Utica-Dunkirk 550001339 Transformer 320788-703 Simple Millivolt Operation: Self-powered designThe Utica Dunkirk 550001339 Transformer is a critical OEM replacement part designed for high efficiency hydronic systems, specifically engineered for the UB90 100 Series II and Q90 Series II boilers. This heavy duty 40VA step down transformer converts 120V primary line voltage to 24V secondary output, providing stable power to integrated control boards, gas valves, and secondary HVAC circuits. Built to withstand the thermal demands of residential and
US$ 250.00
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