Always verify your specific ICP model number and serial number to confirm the exact primary or secondary heat exchanger requirements

For specific chemical compatibility with the brass body and Buna-N O-ring

Optimized Condensate Flow: Engineered with a specific internal pitch to promote efficient condensate drainage and minimize standing water

it is recommended to also inspect the 383-500-250 insulation and ignitor kits separately

Cleveland Controls NS2-1239-00 Pressure Switch L99H008 Always verify your specific ICPThe Cleveland Controls NS2 1239 00 is an industrial grade air flow pressure sensing switch specifically designed to monitor positive, negative, or differential air pressure in HVAC systems. This fixed set point pressure switch is factory calibrated at . 70" w. c. (inches water column), ensuring high accuracy for critical safety applications such as proving fan flow or detecting filter blockage. Built with a glass filled polycarbonate housing and a