Gas Fitter Practice · Question
What is the maximum allowed pressure for propane in the vapor phase within a residential service piping system, before the appliance regulator?
Residential propane service piping typically operates at medium pressure, often around 207 kPa (30 psi), before a secondary regulator at the appliance reduces i
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Question: What is the maximum allowed pressure for propane in the vapor phase within a residential service piping system, before the appliance regulator?
Answer options:
- 7 kPa (1 psi)
- 70 kPa (10 psi) ✅ 207 kPa (30 psi)
- Pressure is regulated at the cylinder, so no specific maximum
Correct answer: 207 kPa (30 psi)
Explanation: Residential propane service piping typically operates at medium pressure, often around 207 kPa (30 psi), before a secondary regulator at the appliance reduces it further. Consult CSA B149.2 for specific limits.
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- What is the maximum allowed pressure for a propane system supplying a residential appliance?
- When installing a gas outdoor appliance, what is the minimum required clearance from an opening into a buildin
- Which code specifies the requirements for the installation of propane-burning appliances and equipment?
- What is the maximum allowed pressure drop for gas piping within a building, from the point of delivery to the
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