The Lennox 33H63 is manufactured to precise tolerances and material thicknesses required to meet UL and NFPA safety codes

Professional standards dictate replacing all seals whenever a compressor is opened

This Heil Quaker ICP 1173830 Flame Sensor is a genuine OEM furnace replacement part

Is the VK4-7313-302-4-11 suitable for steam applications

Cleveland Controls DDP-106-408 Sensing Switch R-407A The Lennox 33H63 is manufacturedThe Cleveland Controls DDP 106 408 is a heavy duty, field adjustable differential air pressure sensing switch designed for demanding HVACR applications, including positive, negative, or differential pressure monitoring. This dual setpoint air pressure switch features two independent SPDT switches, allowing technicians to control high and low limits or sequence operations within a single housing. Built with a robust plated steel enclosure and non