this triple stacked thermal time delay relay manages the staggered activation of heating elements and blower motors

This 28-inch lead heater provides consistent thermal energy to ensure oil remains fluid in cold ambient conditions

Proven Industrial Build: Rated for ambient temperatures from -20°F to 140°F

25" STD designation refer to the port size

5-ton valve

Field Controls 46487401 Vent Damper Refrigerant this triple stacked thermal timeThe Field Controls 46487401, also known as the GVD 9PL, is a 24Vac automatic vent damper designed to improve the thermal efficiency of atmospheric gas heating systems. This 9 inch unit is the professional grade direct replacement for Q35RL 1 models, ensuring seamless integration into existing boiler or furnace stacks. Engineered for stainless steel durability, the GVD 9PL gas vent damper operates by closing the flue pipe during the off cycle,