![Armstrong Air 73W20 Limit Control — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/spec-9294875459806.png?v=1786102314&width=1946)
Armstrong Air 73W20 Limit Control
Armstrong Air 73W20 Limit Control
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$54.74 USD
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$54.74 USD
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SKU:205479
View full details![Armstrong Air 73W20 Limit Control — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/spec-9294875459806.png?v=1786102314&width=1445)
The Armstrong Air 73W20 limit control is a reliable safety switch that monitors furnace temperature and interrupts operation if it exceeds a 175°F limit, protecting the heat exchanger and system components from overheating. It serves as a direct OEM replacement (part 102857-07) to restore safe, dependable furnace operation.
Specifications
| Type | Limit Control |
|---|---|
| Limit Temperature | 175°F |
| Replaces | 102857-07 |