Gas Furnace Limit Switch Type Limit Switch, Rollout Used On N8MPN050B12A1/N8MPL050B12A1/8MPN050B12A1/8MPL050B12A1/N8MPN075B12A1/N8MPL075B12A1/8MPN075B12A1/8MPL075B12A1/N8MPN075F16A1/N8MPL075F16A1/8MPN075F16A1/8MPL075F16A1/N8MPN100F14A1/8MPN100F14A1/N8MPL100J22A1/N8MPN100J22A1/N8MPL125J20A1/N8MPN125J20A1/8MPL125J20A1/8MPN125J20A1/N8MPL125J22A1/N8MPN125J22A1 Natural Gas Furnace