Description
Rheem-Ruud 425088 Heat Sequencer
The Rheem-Ruud 425088 is an OEM replacement heat sequencer designed for use in Rheem and Ruud electric furnaces and air handler heat strip assemblies. Heat sequencers are time-delay relays that stage the energizing of individual electric heating elements one at a time, preventing simultaneous inrush current that could trip breakers or overload the electrical system. This direct replacement part ensures your system operates with the same reliability and performance as the original factory component.
Key Features
- OEM replacement sequencer for Rheem and Ruud electric heating systems
- Stages electric heating elements to prevent simultaneous current draw
- Reduces risk of tripped circuit breakers and electrical overloads
- Designed for direct drop-in replacement — no modifications required
- Built to OEM specifications for consistent, dependable performance
- Compatible with Rheem and Ruud electric furnaces and heat strip assemblies
Application
This sequencer is intended for HVAC technicians and contractors performing maintenance or repair on Rheem and Ruud electric forced-air heating systems. Always verify compatibility with your specific unit model before installation. Refer to the equipment’s wiring diagram and service manual for proper installation procedures.
Why Replace Your Heat Sequencer?
- Faulty sequencers can cause heating elements to fail to energize or all elements to energize simultaneously
- Symptoms include no heat, partial heat, or repeatedly tripped breakers
- Using an OEM-matched replacement ensures correct timing and electrical ratings







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