the unit must never be operated without a functional furnace rollout limit as it is a primary safety device

Built with professional-grade materials

and industrial ventilation units requiring precise 3-phase motor performance and reliable air movement

with a pilot duty rating of 125VA

the 13H78 is a critical HVAC OEM replacement part that maintains the electrical integrity of your unit without the risk of chatter or contact pitting common in generic substitutes

Dwyer Instruments A-432 Portable Kit 320074-702 the unit must never beThe Dwyer Instruments A 432 Portable Kit is the industry standard solution for field technicians requiring high mobility differential pressure measurement. This Magnehelic gage portable kit is engineered to convert any standard range Dwyer Magnehelic 2000 Series pressure gageexcluding high pressure connection modelsinto a versatile diagnostic tool. Constructed from high density, impact resistant polyethylene, the carrying case provides rugged