Electric water heater disconnecting means is it required at the unit or within sight (visible and not more that 50 feet originally posted by: There must be a disconnecting means to disconnect the ungrounded conductors from the appliance. In this case, the supply circuit is 240 volts. Just one other thought, the locked in the open position provision of 422.31(B) does not apply to most dwelling A/C compressors/fan units. 
The Realtor and the electrician were right? // Leaf Group, International Association of Certified Home Inspectors; Electric Water Heater Disconnect; August 7, 2010, "National Electrical Code 2011 (National Fire Protection Association National Electrical Code)"; National Fire Protection Association; 2010. In future I may just use a switch as you guys suggested.
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P.S.
The provision for locking or adding a lock to the disconnecting means shall be installed on or at the switch or circuit breaker used as the disconnecting means and shall remain in place with or without the lock installed. Dennis I know you mention 20 amp snap switch but due the water heater circuit rating IMO it pretty much contionous* so therefore it cost little more to get proper 30 amp switch instead of useing 20 amp switch it will become crispy.
It is truly a safety consideration for someone servicing a water heater, be they a contractor or a home owner.
I believe the panel breaker must be in the same room for this to apply, if not you would need another disconnect located within sight of the water heater.
(B) Appliances Rated Over 300 Volt-Amperes or 1/8 Horsepower. Also, if someone is in the tub and there is a problem, the disco in not reachable from in the tub. heater water code install
In Sight From (Within Sight From, Within Sight). Any thoughts?
I'd just rip it out and install a gas water heater.
Amendments are sometimes made by localities.
that is serving more than one rental dwelling unit.
The provisions for locking shall remain in place with or without the lock installed. gas valve timer heater water knob remove He studied business management at Triton College. Either way the unit must have a disconnecting means or a breaker lockout. For permanently connected appliances rated over 300 volt-amperes or 1/8 hp, the branch-circuit switch or circuit breaker shall be permitted to serve as the disconnecting means where the switch or circuit breaker is within sight from the appliance or is capable of being locked in the open position.
They are not required by any code that I am familiar with. For a better experience, please enable JavaScript in your browser before proceeding. They would be covered under 440.14: 440.14 Location. water heater replacing take
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Disconnection of permanently connected appliances. The National Electric Code addresses disconnection requirements for appliances.
That is they have to have a disconnect if they are not within light of sight of the panel (unless the breaker is lockable).
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When someone gives one of my clients a line like that, I suggest that they request that the electrician write it down on their company letterhead and sign it with their name and license number because they want to double check with the department of licencing and regulation.
Water Heater Disconnecting Means.
timer heater water gas valve step attach heater violations water code As far as disconnecting means, the mentioned cord and plug where permitted is permitted to be the disconnecting means, or else you must have a disconnecting means withing sight of the appliance, or a lockable branch circuit device if it is not within sight of the appliance.
Under the current code all water heaters require that there be a disconnect within sight or have provisions to install a lock on the switch or circuit breaker. It doesnt say if, or when, or maybe, or sometimes.
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For permanently connected appliances rated at not over 300 volt-amperes or 1/8 hp, the branch-circuit overcurrent device shall be permitted to serve as the disconnecting means. I only see the shutoff by the unit in new construction. 1" gas line, with a drip.
Electric water heater disconnecting means is it required at the unit or within sight (visible and not more that 50 feet originally posted by: The disconnecting means must be capable of being locked in the open position. No need to worry about electrical codes.
A means shall be provided to disconnect each appliance from all ungrounded conductors in accordance with the following sections of Part III.
I found one at Home D for only $7.50 vs the larger landle switch type for $45.
The provision for locking or adding a lock to the disconnecting means shall be installed on or at the switch or circuit breaker used as the disconnecting means and shall remain in place with or without the lock installed.
Electric water heater disconnecting means is it required at the unit or within sight (visible and not more that 50 feet originally posted by: I placed a call to the inspector for her and he has not called back and it's been 3 days. At least, that is my understanding. Electric water heater disconnecting means is it required at the unit or within sight (visible and not more that 50 feet away or must the circuit breaker be. William Blake.
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The majority of house I inspect in Riverside County CA, with electric water heaters do not have insight disconnects.
For permanently connected appliances rated at not over 300 volt-amperes or 1/8 hp, the branch-circuit overcurrent device shall be permitted to serve as the disconnecting means. Where I live now the Water Heater Breaker has a Lockable Breaker as required.
ya I don't charge my family money either ha ha.
It clearly states that the service panel breaker can serve as the disconnect device.
The provision for locking or adding a lock to the disconnecting means shall be installed on or at the switch or circuit breaker used as the disconnecting means and shall remain in place with or without the lock installed.
Why not use a double pole 30 Amp rated switch?
The provision for locking or adding a lock to the disconnecting means shall be installed on or at the switch or circuit breaker and shall remain in place with or without the lock installed.
Article 422.30 of the National Electric Code requires that an electric appliance have a means to disconnect it from all ungrounded, or current-carrying, conductors. This section covers electric water heaters that lack a cord for plugging into an outlet; it states that the over-current device can serve as the disconnecting means only if it is visible from the appliance or if the over-current device is capable of being locked in the open (off) position. Interpretation of code on disconnects on water heaters.My understanding of the code on disconnects for water heater is that it is not required as long as breaker is lockable .is this correct ? heater water aerogaz instant am45 multipoint instantaneous heating
Problems With a S8610U Honeywell Controller. Particular requirements for storage water heaters. Yet that same inspector would probably have no problem if it were a snap switch. The National Electric Code stipulates disconnect requirements for water heaters. How do I Convert a 240V Hot Tub to a 120V?
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For permanently connected appliances rated over 300 volt-amperes or 1/8 hp, the branch-circuit switch or circuit breaker shall be permitted to serve as the disconnecting means where the switch or circuit breaker is within sight from the appliance or is capable of being locked in the open position. So are we all agreed?
Here is the section that is relevant to your question. Electric water heater disconnecting means is it required at the unit or within sight (visible and not more that 50 feet originally posted by: A water heater is an appliance and falls under the requirements of article 422. When I get a respose from a so called electrician (who is more likely a handyman), I like Mr. Evans response: When someone gives one of my clients a line like that, I suggest that they request that the electrician write it down on their company letterhead and sign it with their name and license number because they want to double check with the department of licencing and regulation. Particular requirements for storage water heaters.
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Exception No.
The guys at hd really didn't know much about typical code requirements for a.
water fittings heater kit zoro sharkbite Below is a preview of the nec.
Rinnai tankless water heater beeping. You and I dont have enough information to debate over whether there was a qualifying disconnecting means or not, however, a disconnecting means is certainly required according to the NEC.
That is they have to have a disconnect if they are not within light of sight of the panel (unless the breaker is lockable).
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This does not make this part of the code choosable as far as applicability nor does it nullify the code. heater water installer near A forum community dedicated to professional electricians, contractors, and apprentices for residential and commercial work. (A) Rated at Not Over 300 Volt-Amperes or 1/8 Horsepower. that is serving more than one rental dwelling unit. Thanks for the help!
If there was no approved disconnecting means for the water heater, Ken was correct to call it out. The service disconnecting means shall be installed at a readily accessible location either outside water heater, etc.) 2: Where an attachment plug and receptacle serve as the disconnecting means in accordance with 440.13, their location shall be accessible but shall not be required to be readily accessible. Suburban Chicago native Chris Edwards, began writing for his school newspaper in 1991. Where this Code specifies that one equipment shall be in sight from, within sight from, or within sight of, and so forth, another equipment, the specified equipment is to be visible and not more than 15 m (50 ft) distant from the other.
sorry for the typo, I ment I don't see why an AC pull type disconnect wouldn't meet code, not why it would work. To apply this code, one has to assume that the water heater is not within view of the service panel.
If there is no disconnecting means within sight, then the circuit breaker must be lockable. Article 100 of the NEC defines within sight as being visible from the equipment up to 50. Particular requirements for storage water heaters. A means for disconnecting an electric hot water supply system from its energy supply shall be provided in accordance with nfpa 70.
The National Electric Code is a guide that localities may adopt as part of their local building codes. As already stated, the same rule that applies to disconnects at furnaces, AC condensers, dishwashers applies to water heaters. disconnect tankless eltron heater tankless iheat volts
Ken S. I did (reread) and **I **believe you to be right.
It would be reasonable to assume that the electricians that argued with the report did not choose to apply this particular part of the code to the heaters in question.
Article 422.31(a) of the National Electric Code defines the means of disconnection for permanently connected appliances that are rated not higher than 300 volt-amps or 1/8 horsepower. heater water code tank installing violations
A means shall be provided to disconnect each appliance from all ungrounded conductors in accordance with the following sections of Part III.
Electric water heaters exceed the 300 volt-amp requirement of this section and are subject to additional requirements. That has not always been the code.
It would be incorrect to imply that all water heaters needed a disconnect. 422.13(B) Appliances Rated **Over **300 Volt-Amperes or 1/8 Horsepower.
Exception No. If you are even thirsty, you are two quarts low. The disconnecting means shall be permitted to be installed on or within the air-conditioning or refrigerating equipment.
Only Mr. Bushart argued the point, as he did not understand the Insight part of the requirement.
If the switch or circuit breaker is capable of being locked in the open position, it doesn't need to be within sight.
(A) Rated at Not Over 300 Volt-Amperes or 1/8 Horsepower. Up to at least the 1980s for permanently connected appliances of greater rating the branch-cricuit switch or circuit breaker shall be permitted to serve as the dis connecting means where readily available to the user of the appliance. 1984 422-21.
For appliances rated over 300va or 1/8 hp, a switch or circuit breaker located within sight from the appliance can serve as the appliance disconnecting means.
rheem thermocouple heaters thermopile waterheatertimer thermostat valve2 troubleshooting electric troubleshoot flame electromagnets A permanently connected appliance is one without a cord plugged into an outlet.
It also means that it could be 5 away in the same room and not be within sight. I don't charge my family for work they need to have done. codes mallard gc6aa atwood As already stated, the same rule that applies to disconnects at furnaces, AC condensers, dishwashers applies to water heaters. It may not display this or other websites correctly.
Second question can it be mounted above the water heater between the hoses going in and out of the water heater?
It clearly states that the service panel breaker can serve as the disconnect device.
I have builders tell me that is not required in the county for any number of things.
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Where a disconnecting means is required to be lockable, it shall be capable of being locked in the open position. 422.30 General.
Below is a preview of the nec.
Enter Our Dog Days of Summer BBQ Giveaway Now! I continue to call them out on my inspection reports, yet relators tell me the electricians say they are not required.
If the over-current device does not meet this provision, than an additional disconnect must be provided that does meet the requirement.
Tools for electricians, installers, maintenance & service technicians: In this case, the supply circuit is 240 volts. tankless rheem troubleshoot disconnect water heater cutler hammer conditioning amp air homedepot eaton
"If the doors of perception were cleansed everything would appear to man as it is, Infinite. Start date dec 3, 2003; Even if 424.19 did apply, you're feeding this equipment from more than one source and all disconnects are required to be grouped.
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:mrgreen: I just wanted to thank my fellow inspectors for their fine input on the Insight Disconnect for electric water heaters.
Under the current code all water heaters require that there be a disconnect within sight or have provisions to install a lock on the switch or circuit breaker.
Potential causes of the beep include; Particular requirements for storage water heaters. Appliances that fall under this description can be disconnected by an over-current device, such as a circuit breaker or a fuse, without any additional means of disconnection required. 99.99% of our water heaters are electric. Before calling it out, carefully observe the breaker. A hot tub or whirpool is GFI protected, The disco I would think is for work purposes. According to the NEC an electric water heater does not require any disconnect other than a circuit breaker at the main panel or sub panel and it does not need to be insight. heater water gas vent troubleshooting heaters tankless venting repair water heater valve pressure relief line goodyear heaters arizona installed installing properly sav correctly protect yourself expansion
water heater element remove tank expansion ways wrench It does say that under certain conditions the circuit breaker is permitted to serve as the disconnecting means.
** The disconnecting means for a permanently connected water heater must comply with 422.31(b). It contains two heating elements. Article 424 applies to fixed electric space heating equipment.
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heater water honeywell rheem light codes gas temperature shutdown flashing blinking valve i0 Obviously if there was a sub-panel in view of the appliance it would not be required and I have seen a few like that, in which case I did NOT call those out.
Most electric water heaters are intended to be hard wired.
Like Brian said, sometimes they are capable of being locked out and that is acceptable.
If panel with the branch circuit CB is *within sight *then it qualifies as the maintenance disconnect.
Potential causes of the beep include; Electric water heater disconnecting means is it required at the unit or within sight (visible and not more that 50 feet away or must the circuit breaker be. Here are the four options: To remove a hot water heater, we first had to disconnect the various. If an appliance is supplied by more than one source, the disconnecting means shall be grouped and identified.
The provision for locking or adding a lock to the disconnecting.
Interesting thing is if the water heaters used 4500 watt elements then you would still have to use #10 wire however you could use a 20 amp snap switch.
You should charge them double..:laughing: It depends on the inspector, if the inspector feels that disconnect switch is likely to require service or testing while energized than 110.26 applies and you would have to have it out in the open. Disconnecting means shall be located within sight from and readily accessible from the air-conditioning or refrigerating equipment. I originally posted this and was impressed with the proffessional replies.
Here's my question, can I install a non-fused 60amp pull out type disconnect that would typically be used on AC unit out doors.
Tools for electricians, installers, maintenance & service technicians: In fact all i found was a means of way of disconnecting the unit has to be within line of site of the water heater. they make a 30A pull out that is a few cents cheaper:thumbsup: The inspector asked for a disconnect at the unit.
When OSHA wrote its lock-out/tag-out rules, they didnt grandfather existing facilities.
If an appliance is supplied by more than one source, the disconnecting means shall be grouped and identified. navien tankless Either way the unit must have a disconnecting means or a breaker lockout.
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You should reread the citation ref: shall be provided to disconnect each appliance. Whether code or not, no matter the age of the home, working on any appliance without being able to control the power source is a recognized hazard and should be called out by a home inspector IMO.
A means shall be provided to simultaneously disconnect each appliance from all ungrounded conductors in accordance with the following sections of part iii.
Below is a preview of the nec.
Either way the unit must have a disconnecting means or a breaker lockout.
They are required for the same reason that an A/C condenser needs one: So that a technician can work on it without risk of being electrocuted by someone switching on the circuit breaker.
Where a disconnecting means is required to be lockable, it shall be capable of being locked in the open position. My response is " yes, it is required, there is just not any enforcement in the unincorporated areas".
The service disconnecting means shall be installed at a readily accessible location either outside water heater, etc.)
422.31 Disconnection of Permanently Connected Appliances. Code requirements must be met when installing electric water heaters. Article 424 applies to fixed electric space heating equipment.
That could be in another room.
In fact all i found was a means of way of disconnecting the unit has to be within line of site of the water heater.
Article 422.31(b) of the National Electric Code expands on section (a) to include the requirements for permanently connected appliances that exceed 300 volt-amps and/or 1/8 horsepower. 422.31 Disconnection of Permanently Connected Appliances. 1: Where the disconnecting means provided in accordance with 430.102(A) is capable of being locked in the open position, and the refrigerating or air-conditioning equipment is essential to an industrial process in a facility with written safety procedures, and where the conditions of maintenance and supervision ensure that only qualified persons service the equipment, a disconnecting means within sight from the equipment shall not be required.
422.31 Disconnection of Permanently Connected Appliances.
I calculated that it needs 10awg wire as well, I don't know if that's what he has used I have only seen a picture she sent me of the install.
For some appliances, this is simply a cord that can be unplugged from an outlet. You talking code now?
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I wanted to use that section for a hot tub once but for that it says readily accessible, in sight of, and the 5 foot rule. How to Force Frigidaire Freezers Into Auto Defrost Mode, Copyright 2022 Leaf Group Ltd. / Leaf Group Lifestyle, All Rights Reserved. water heater installation gas disconnect pipe turn
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