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The NTI 65118695 is a PWM pump cable designed for use with variable-speed circulator pumps in hydronic heating systems. This cable provides the signal connection between the boiler control and the pump, enabling pulse-width modulation control for precise pump speed regulation. At 5 meters in length, it offers enough reach for most residential and light commercial boiler installations. Licensed HVAC and hydronic heating technicians typically handle installation of this component during boiler commissioning or pump replacement service calls.
This cable is used in hydronic heating applications where a Taco-compatible PWM pump is paired with an NTI boiler control. It is suited for residential and light commercial hydronic systems that rely on variable-speed pump operation to optimize system efficiency and flow. The 5-meter length accommodates installations where the pump is not located immediately adjacent to the boiler control module.
Designed for use with Taco-compatible PWM variable-speed circulator pumps in NTI boiler systems. Refer to your NTI boiler documentation to confirm compatibility with your specific control board and pump model before installation.
Installation should be performed by a licensed HVAC or hydronic heating technician familiar with low-voltage control wiring. Power down the boiler and disconnect all electrical supply before disconnecting or connecting any control cables. Route the cable away from high-voltage wiring to avoid signal interference. Follow the boiler manufacturer wiring diagram for correct terminal connections at both the control board and the pump.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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