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Académie
HVAC
NATE Hydronics Oil Service Specialty
Circulator and Zone Service
Vérification des connaissances
Circulator and Zone Service
Vérification des connaissances
Vérification des connaissances
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The typical maximum water temperature for a radiant floor heating system using PEX tubing is 140 degrees F. What component limits supply water temperature from a high-temperature oil-fired boiler to this safe level?
A
A backflow preventer on the domestic water supply
B
A thermostatic mixing valve or injection mixing assembly
C
A pressure-reducing valve on the makeup water connection
D
A secondary expansion tank installed on the radiant loop
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