It provides critical protection against thermal expansion

offering seamless integration for contractors maintaining legacy or modern Honeywell installations

causing the boiler to cycle without establishing a flame

For round capacitors

Common Questions: Is this part suitable for natural gas

Johnson Controls P100DA-81 Pressure Control It provides critical protection againstFor contractors managing high pressure refrigeration and air conditioning systems, the Johnson Controls P100DA 81 provides a reliable, fixed setpoint solution for critical safety cutouts. This encapsulated pressure control features a Single Pole Single Throw (SPST) switch designed to open on pressure rise at 630 PSIG, making it ideal for R410A high pressure cutout applications. Built with open construction for direct mounting, the unit eliminates the