87010004010 | Observation Port for 2400ES LP/NG 2400ES HKIT LP/NG 2400ES VKIT LP/NG GWH 2700 ES LP/NG Therm C 1210 ESC LP/NG Therm C 1210 ES LP/NG Therm 830 ES LP/NG Therm C 1050 ES LP/NG | Bosch Manufacturer_Delta Key Features: * Fits Modine

87010004010 Observation Port for 2400ES LP NG 2400ES HKIT LP NG 2400ES VKIT LP NG GWH 2700 ES LP NG Therm C 1210 ESC LP NG Therm C 1210 ES LP NG Therm 830 ES LP NG Therm C 1050 ES LP NG Bosch Manufacturer_Delta Key Features: * Fits Modine Key Features: * Fits Modine HD30 HD75 unit heaters * 3 inch diameter * Durable steel construction * Protects and directs airflow * Ensures optimal heating performance Benefits: * Extends the life of your unit heater * Improves air circulation in the workspace * Reduces energy consumption * Provides a secure fit for reliable operation Order your Vent Cap for Modine HD30 HD75 Unit Heaters today from Our trusted HVAC store Oil Equipment Manufacturing's Fill Alarm King Standard 1 1 4x1 1 4" 5 1 4" Tan MNPTxFNPT Cast Iron is designed for use on above ground and in ground tanks