The MARS 81138 is a professional-grade 30A 600V Time Delay Fuse designed specifically for the rigorous demands of HVACR systems and industrial motor circuits

Designed for 24Vac applications

Having two ports offers flexibility in orientation

53-inch outside diameter aligns with the existing bracketry during installation to ensure a drop-in exact fit replacement that preserves the original equipment's sound ratings and airflow performance

Honeywell L4006A1967 Controller L99H008 The MARS 81138 is aThe Honeywell L4006A1967 is a trade grade immersion type Aquastat controller engineered for precise temperature regulation in hydronic systems, boilers, and liquid storage tanks. Featuring SPST contacts that break on temperature rise, this unit is commonly deployed as a high limit or low limit control. It utilizes a 3 8" x 2 7 8" copper sensing bulb paired with a 1 1 2" capillary for responsive thermal detection. The device supports an operating range