Hydronic Heating Flashcards

b. multiple zoning

d. carpet and underlay

a. north and south exposures

b. gpm, velocity and length of circuit

c. 0.38 gpm

a. 2.69 feet per sec

d. 3.6 feet of head

b. 225 feet of tubing

d. btu per square foot and room temperature

a. 2.04

a. 122 F

c. in areas with the greatest heat loss

b. two adjacent walls that are exposed to the outside

b. code requires insulation below poured-in-concrete applications

d. the greater of either 60 psi or 1.5 times working pressure for a period of 1 hour with no pressure drop

a. when the radiant floor does not keep up with the heat load

c. gallons per minute and velocity

b. 3.66 ft/sec and 5.89 ft of head for 100 feet of tubing

d. to stop and start flow in a system as required

a. a bypass pump between the supply and return boiler piping

b. a mixing valve

c. mixes water from the heat source and the system return in order to temper system supply water

a. a drive motor and controller

c. a plate heat exchanger

c. a controller for the pump