Optimal Airflow: Precision-vented casing ensures the enclosed thermostat maintains accurate sensing and response times

scientifically formulated anaerobic polymer that has a positive valance which gives it an affinity for copper

Precise Pressure Regulation: Features an adjustable LP regulator spring capable of 8" to 12" water column settings for accurate fuel delivery

Internal LED Indicator: Provides immediate visual confirmation of the relay coil status for efficient troubleshooting

This Carrier HR54ZA006 model is built with a high-impact housing and heavy-duty spring-loaded plunger to withstand the high-cycle demands of a professional mechanical room environment

Johnson Controls A19AAC-38 Utility Thermostat 30067439-890 Optimal Airflow: Precision-vented casing ensuresJohnson Controls A19AAC 38 Utility Thermostat, 120 208 240 Vac, 50 280 Degree Temperature Range, 2 Degree Differential, SPDT, Bulb Style 1, Screw Driver Range Adjuster A19AAC 38 is identical to A19AAC 38C