Armstrong 87H90 Fan and Limit Control

Armstrong 87H90 Fan and Limit Control provides precise fan and limit control for your furnace or air handler, with a temperature rating of 150–190°F to protect equipment and maintain comfortable climate control. This durable, compact control is built to deliver reliable shutoffs and blower cycling when temperatures reach the set limits, helping prevent overheating and extending system life. Its rugged construction fits tight spaces, and straightforward wiring makes replacement quick and trouble-free for compatible Armstrong systems. It’s an ideal replacement for aging controls and helps minimize energy waste by ensuring accurate cycling and protection.

• Type: Fan and Limit Control
• Temperature rating: 150–190°F
• Compact, rugged design for tight installations
• Easy replacement part for Armstrong HVAC equipment
• Supports standard control circuits and reliable safety operation

Choose the Armstrong 87H90 for dependable protection, steady airflow, and long-term performance in your heating and cooling setup, helping ensure quiet operation and fewer service calls.