If the vacuum is sufficient but the SPNO contact remains open

2 reciprocating compressor

providing consistent performance

Optimized Combustion: Engineered to provide the exact manifold pressure required for liquid propane heating applications

Robertshaw 790-400 Pilot Mod. R-410A If the vacuum is sufficientThe Robertshaw 790 400 RAM 4 120V Intermittent Pilot Module is a critical gas ignition control designed for use in atmospheric heating systems and commercial cooking equipment. As a direct replacement for various 790 series ignition modules, this 120V AC unit manages the ignition sequence by providing a high voltage spark to the pilot burner while simultaneously monitoring the flame through flame rectification technology. This module features a 15