Spiral-bimetallic and mercury bulb.
75 to 150 psi.
Manufacturer's instruction manual.
Flue gas analyzer.
DOMESTIC HOT-WATER HEATING AND HOT-WATER BOILERS
Increase the pressure of the boiler to operate the valve monthly.
HOT-WATER HEATING DISTRIBUTION SYSTEM
It is difficult to get enough circulation to avoid large temperature
drops from one end of the system to the other.
Pneumatic compression tank.
Circulation of water, thus reducing heating capacity.
HIGH-TEMPERATURE HOT WATER SYSTEMS
350°F to 450°F.
Hot-water boilers or generators and cascade or direct contact
20 to 40 ppm.
CHAPTER 5 GALLEY AND LAUNDRY EQUIPMENT
138°F to 145°F.
Small particles could become embedded in food.
Concrete or brick.