Resideo 50028399-001 Coverplate THPU32HP7Y High-Rate Capacity: Maintains a 55

High-Rate Capacity: Maintains a 55

Always verify the part number on the existing motor plate before substitution

Up to 3 heat/4 cool conventional stages

preventing common combustion issues associated with incorrect fuel-to-air ratios in HVAC two-stage gas heating systems

Its pilot operated diaphragm construction allows for high-flow capacity while maintaining precise electrical control

Resideo 50028399-001 Coverplate THPU32HP7Y High-Rate Capacity: Maintains a 55The Resideo 50028399 001 Coverplate is a specialized thermostat wall plate designed to provide a clean, professional finish for Premier White installations. Measuring 7 7 8 inches x 5 1 2 inches, this oversized trim plate is the standard solution for covering wall damage, old screw holes, or unpainted surfaces left behind by legacy pneumatic or larger digital thermostats. Specifically engineered for the Honeywell Home Prestige THX9000 Series, it