the CNT5155 control board optimizes performance and protects the equipment from premature wear during rapid cycling

this manual reset rollout switch is the standard OEM replacement for most furnaces under the Johnson Controls umbrella

The factory-included gasket ensures a gas-tight seal against the secondary header box

the Watts 0382392 (Model 740-3/4-60) is the industry standard for reliable overpressure protection

the Watts 0881428 is lead-free and suitable for both steam and high-temp water systems

Cleveland Controls AFS-952-B Switch Els PW 17895 the CNT5155 control board optimizesThe Cleveland Controls AFS 952 B is a field adjustable differential air pressure switch designed for critical monitoring in commercial HVAC and industrial combustion systems. Engineered with a large silicone diaphragm, this switch accurately detects positive, negative, or differential pressure within a broad set point range of 0. 03" w. c. to 12. 0" w. c.. As a veteran grade air flow proving switch, it features an integrated 8 second time delay relay