Marvair 70281 Control Board

Control Board

70281 is identical to 70281-SP, LPR-AJ1710-1, LPR-AJ1710-2

Marvair 70281 Control Board – OEM HVAC Control Module for Wall-Mounted AC Units

The Marvair 70281 Control Board is a genuine OEM electronic control module engineered for use in a variety of Marvair and compatible wall-mounted air conditioning units. This critical component manages key system operations, ensuring optimal performance, energy efficiency, and reliable cooling.

Designed for precise control and smart diagnostics, the 70281 board regulates vital functions such as compressor activation, fan speed, and operational safety features. It intelligently monitors temperature, pressure, and power consumption, adjusting system behavior to maintain ideal indoor comfort levels.

Key Features:

• Part Number: 70281

• Application: Control board for Marvair and compatible wall-mounted air conditioners

• Functions: Controls compressor, fan, and multiple safety and performance modes

• Smart Monitoring: Tracks temperature, pressure, and power usage

• Compatibility: OEM fit for select Marvair HVAC units

Operational Modes Supported:

• Normal operation

• Lockout

• Delay on make/break

• Low-pressure bypass

• Post-purge

• Low ambient control

• High- and low-pressure switch integration

Benefits:

• Enhances system efficiency and cooling performance

• Maintains stable and comfortable indoor temperatures

• Ensures protection of key components with safety features

• Reliable OEM replacement part for seamless installation and operation

Upgrade your HVAC system’s intelligence and reliability with the Marvair 70281 Control Board—designed to keep your air conditioning system running smoothly and efficiently.