System Protection: Reduces the risk of damage to the gas control valve and tank components caused by abnormal heat accumulation

this Johnson Controls sensor accessory provides the exact physical interface required for the Penn F61 liquid flow switch to monitor system protection parameters effectively

The 1-pole configuration and durable construction meet the rigorous demands of HVAC high-limit safety standards

As long as your unit utilizes the CD140 part number

verifying the continuity of this switch is a standard diagnostic step

ZoneFirst ZPS Zone Plenum Sensor System Protection: Reduces the riskThe ZoneFirst ZPS Zone Plenum Sensor is a critical duct mounted sensor designed for accurate supply air temperature monitoring in both residential and commercial HVAC zoning systems. This plenum rated temperature sensor integrates directly with MasterZone control panels to safeguard the heat exchanger and cooling coil. By providing real time data to the panel, the ZoneFirst ZPS prevents equipment damage caused by excessive heat or freezing