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and Richmond atmospheric gas units
contractors can ensure exact fitment and electrical compatibility
you know that intermittent system resets or failed communication often trace back to a failing rectifier
Durable Construction: Features a rugged bronze body and stainless steel springs for long-term reliability in harsh mechanical rooms
Weil McLain 389-900-229 Sensor Freon and Richmond atmospheric gas unitsThe Weil McLain 389 900 229 Sensor is a critical 10k ohm NTC component designed for multi functional integration within hydronic heating systems. Engineered for high accuracy thermal feedback, this Universal 3 In 1 Sensor serves as an outdoor reset sensor, an indoor strap on supply sensor, or a specialized well sensor depending on your installation requirements. When utilized as an outdoor sensor, it allows the boiler control to modulate water