connect the higher pressure source to P1 and the lower pressure/vacuum source to P2

Direct OEM Compatibility: Replaces specific Rheem-Ruud part numbers without requiring modification to the mounting plate or wiring harness

If your system requires a different set point (e

This component is widely used across the International Comfort Products family of brands

OEM Compatibility: Exact fit for Burnham residential boilers

KMC Controls RCC-1502 Relay Els PW 17895 connect the higher pressure sourceThe KMC Controls RCC 1502 Relay is a high capacity pneumatic reversing relay engineered specifically for technical applications requiring professional grade signal inversion. As a veteran preferred HVAC pneumatic control component, this unit is the direct replacement for the legacy RCC 1510 model, ensuring seamless retrofitting in existing building automation systems. Factory calibrated for an 8 PSI crossover point, the RCC 1502 efficiently reverses