Industrial Durability: Engineered to withstand the frequent cycling of commercial boiler systems

Technicians should look for visible moisture around the 3/8" stem

this HVAC limit switch is built to handle the inductive loads of modern blower motors and control boards

Common Questions: How do I know if this motor fits my furnace

Spence Engineering A85 Pilot Els PW 17895 Industrial Durability: Engineered to withstandThe Spence Engineering A85 Pilot is a high performance air adjusted pilot designed for industrial steam pressure regulation where remote adjustment is required. Built with a rugged cast iron body and stainless steel trim, this pilot is engineered to withstand the rigors of heavy duty boiler rooms and district heating plants. It features a unique 3 7 8: 1 air ratio, allowing technicians to use low pressure air signals to control high pressure steam