Armstrong 78L29 Furnace Fan and Limit Control Rollout SwitchArmstrong 78L29 Furnace Fan and Limit Control Rollout Switch is a reliable safety component for residential heating systems. As a Rollout Switch, it helps protect your furnace by interrupting operation when the limit is exceeded, ensuring safe, efficient performance. Featuring a 250F temperature rating, this rollout switch activates to prevent overheating and protects both the blower and limit control circuits. The blue label included helps service

This part is suitable for replacement projects and OEM repairs

protect regulators

Current rating: 5

With the included lead wire

Easy replacement and quick installation with standard mounting hardware

This blower kit is specifically designed to service GPDX 50/65 models

Compatibility: AO Smith water heaters (model 9004714115) for a precise fit

RH up to 90%

Easy installation with standard fittings and minimal tools

375" D x 5

while an ABS plastic handle ensures smooth operation

proportional control of globe valves