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Question 1 of 205eccef9cbacbc34ba4d45721

In addition to one safety pressure relief valve, Coast Guard Regulations (46 CFR) require that a small electrically heated hot water supply boiler must be fitted with what other protective device?

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5eccef9cbacbc34ba4d45721

In addition to one safety pressure relief valve, Coast Guard Regulations (46 CFR) require that a small electrically heated hot water supply boiler must be fitted with what other protective device?

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🔍 Key Concepts

• 46 CFR requirements for small electric hot water heaters/boilers (look in Subchapter F – Marine Engineering) • Purpose and normal household setting of a temperature and pressure relief valve on a water heater • Typical maximum safe water temperature for domestic-type hot water systems on vessels

💭 Think About

• Think about what happens if the thermostat fails and the water keeps heating in a closed system. Which device and setting would best protect both the boiler and piping? • Compare which options discuss only temperature, and which protect against both pressure and temperature. Which does the Coast Guard usually prefer for small hot water heaters? • Look at the temperature values given. Which one makes sense for usable hot water that is not scalding, versus one that is more typical of relief settings?

✅ Before You Answer

• Confirm in 46 CFR Part 53 or 54 (Boiler and Pressure Vessel rules) where it talks about hot water supply boilers and water heaters • Check whether the regulation allows either a separate temperature relief plus a pressure valve, or a single combined pressure-temperature valve • Verify the required maximum temperature setting in the CFR for small electrically heated hot water supply boilers

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Question 1 of 205eccef9cbacbc34ba4d45721

In addition to one safety pressure relief valve, Coast Guard Regulations (46 CFR) require that a small electrically heated hot water supply boiler must be fitted with what other protective device?

Back

Question 1 of 20

5eccef9cbacbc34ba4d45721

In addition to one safety pressure relief valve, Coast Guard Regulations (46 CFR) require that a small electrically heated hot water supply boiler must be fitted with what other protective device?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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