Resideo L6006A1012 Aquastat Controller 320788-702 the 536-778 is built to

the 536-778 is built to withstand extreme environmental conditions

This Allied Air authorized part is compatible with select models from Armstrong Air

Is a separate bushing required for installation

failure of the piston to reach full stroke at 20 psig

standard for most residential power-vent and atmospheric propane water heaters

Resideo L6006A1012 Aquastat Controller 320788-702 the 536-778 is built toThe Resideo L6006A1012 Aquastat Controller is a high performance immersion type temperature controller designed for hydronic heating systems. Engineered for versatility, this SPDT aquastat functions as a circulator control, high limit, or low limit regulator, making it a staple for commercial and residential boiler applications. It features a 3 8 inch x 2 7 8 inch copper sensing bulb that accurately monitors liquid temperatures within a 100F to 240F