Carrier HC54FK230 Motor 321894-706 so a potential relay is

so a potential relay is not applicable as it would be for a single-phase unit

this kit provides the precise gas valve orifice sizing required for optimal atmospheric mixing

Integrated Feedback: Internal end switches provide proof-of-position

Direct Fit Compatibility: Specifically engineered for McDonnell & Miller Series 21 and Series 221 mechanical water feeders

Industrial Grade Construction: Forged brass body and NBR (Nitrile) seals provide excellent compatibility with water service

Carrier HC54FK230 Motor 321894-706 so a potential relay isThe Carrier HC54FK230 Motor is a high performance 1 HP blower motor specifically engineered for belt drive applications in commercial HVAC mechanical systems. Operating at 208 230V and 1725 RPM, this single phase PSC (Permanent Split Capacitor) Carrier replacement motor provides the reliable torque required for large scale air handling units. Built with a 56Y frame and a 5 8 inch keyed shaft, it fits a variety of Carrier, Bryant, and Payne rooftop