Common Questions Can I use the MARS 60046 to replace a contactor without a shunt

For technicians servicing Knight

making it a staple for technicians performing HVAC troubleshooting on systems where flow regulation has become inconsistent

Using an inaccurate or universal part can lead to nuisance trips or hazardous operating conditions

the factory-installed positioner is essential for applications requiring precise modulation and faster response times in HVACR loops

Lennox 27W74 Blower Motor 340155-7026 Common Questions Can I useAs a field tested HVAC professional, you know that keeping a Lennox system running at peak performance requires exact OEM replacements. The Lennox 27W74 Blower Motor is a high efficiency 1 2 HP ECM blower motor designed specifically for constant torque applications in residential and light commercial units. This 208 230V single phase assembly comes as a complete package with the factory programmed ECM control module, ensuring a direct "plug and play"