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Questions tagged [fire-sprinkler]

Use for all matters related to water-based, fixed fire suppression systems (often called "fire sprinklers").

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Water shut off valve and backflow preventer

I'm a new member here. I'm here to learn how to do DIY plumbing work.  How does my home's main water supply valve, backflow preventer, and Potter switch work?  Image 1. The Main water line enters the ...
mschurner's user avatar
0 votes
1 answer
82 views

Need for water pressure regulator when increasing supply line

I have city water at around 80PSI static pressure when measured at one faucet. There is some variation during the day but everything works well and I do not have a pressure regulator. Because of ...
Alessio Sangalli's user avatar
1 vote
1 answer
757 views

How to reattach viking fire sprinkler head covers?

I pulled one of these off during a project, but am struggling to figure out how I can reattach it. There are 3 clips and the cover. The sprinkler heads appear to be Viking VK457.
James's user avatar
  • 457
1 vote
1 answer
277 views

Is it possible to install electrical meter between main panel and subpanel?

Following up to this question. The fire sprinkler rooms get their electricity from building's end-units. There're subpanels in each room. We are told that main panels in the end-units have a "...
Astrogator's user avatar
2 votes
1 answer
307 views

RTS in fire sprinkler rooms - normally-open or -closed? And its purpose? [closed]

I'm on the Board of Directors of a townhouse association. We have 15 buildings, each with a fire sprinkler room at one end, built into the last unit. Rooms are ~4x3' and house fire alarm equipment. ...
Astrogator's user avatar
0 votes
2 answers
112 views

Sprinkler system & smoke detectors - Illinois code requirements when closing loft

I am looking to close a loft and turn it into bedroom. I live in Illinois and house (built on 2007) has fire sprinkle system and smoke detectors through all the floors. After closing loft there will ...
Arek's user avatar
  • 71
2 votes
2 answers
195 views

Questions about a fire suppression system breaking

I own and live in a condo unit. There is a fire suppression system that runs between the walls of each unit. The unit is about 15 years old. 5 years ago, after an extremely cold night, I walked in ...
Yikes_H's user avatar
  • 49
2 votes
1 answer
2k views

How close can garage overhead storage be to fire sprinklers?

I've recently been looking at getting overhead storage racks for my garage which has several standard pendant sprinklers. The racks I am looking at are 4' x 8' and have rigid brackets, vertical posts,...
HanniballRun's user avatar
1 vote
2 answers
212 views

Am I allowed to put a wall standard within 18" of a fire sprinkler?

From my understanding, in San Francisco, CA, there is a code requirement that you cannot obstruct an area within 18 inches of a fire sprinkler. What is meant by obstruction? Say, you installed one of ...
Sargun Dhillon's user avatar
0 votes
1 answer
670 views

60-minute Drywall for ceiling beneath residential fire sprinklers?

My fire sprinkler contractor says that we need to install 5/8" 60-min fire rated drywall in all ceilings, but my GC says 1/2" will pass code. Who is right? If the code does call for 60-minute ...
CoinToss1010's user avatar
1 vote
1 answer
4k views

What are these things that look kind of like sprinklers in my ceiling? [closed]

What are these things coming out of my ceiling? They look kind of like sprinklers but I'm told we don't have a fire suppression system of any sort. Are they sprinklers? Mostly placed in the corners ...
Alex's user avatar
  • 27
0 votes
2 answers
189 views

Why are fire sprinklers and extinguishing systems failing? [closed]

I just looked at some photos of property destruction from fire in Santa Rosa, CA and I was appalled and deeply saddened at the loss of life. This photo is the charred remains of the Hilton hotel in ...
0tyranny0poverty's user avatar
0 votes
2 answers
1k views

Water pump that will not block water in case of power loss

I have in my house installed a water mist fire protection system. Currently it is connected directly to the main water system, which is of lower pressure than the nozzles are designed for. I would ...
hlovdal's user avatar
  • 395
-1 votes
1 answer
222 views

Capsule versus metallic sprinklers

Most sprinkler systems I see have the red capsule, a glass ampule filled with red-dyed alcohol. When it heats, the capsule bursts and the plunger, pressurized by the water, slides forward, opening the ...
Tyler Durden's user avatar
  • 6,923
1 vote
0 answers
72 views

Is my well booster pump GPM is too high, causing pipe erosion?

I am suspecting my well booster pump is causing errosion corrosion inside my house where 3/4" copper exists. It is 2 HP and operates at 25-44 GPM. The 1" line outside the house tees off into the fire ...
0xb00's user avatar
  • 31
0 votes
0 answers
59 views

Basement duct installation with fire sprinkler pipe

Can I install a metal HVAC duct with register into the same ceiling joist bay as an orange fire sprinkler pipe, parallel to it? The sprinkler pipe has 2 heads on it.
battlecatt's user avatar
0 votes
2 answers
474 views

Can built-in furniture be installed near sprinkler piping?

I had a loft bed built into my condo. The bed is up near the ceiling and there is a large red water pipe just above it. It carries the water to the sprinklers but its not a sprinkler itself. My bed ...
loft bed's user avatar
0 votes
2 answers
57 views

What information about a house is required to get a quote for a fire sprinkler retrofit?

So, I have the crazy idea to give my grandparents what could be the ultimate Christmas present -- having their house (they own it outright) retrofit with fire sprinklers. It's a single-story ranch ...
ThreePhaseEel's user avatar
3 votes
1 answer
391 views

Water hammer or something else?

I'm having a bit of a mysterious problem. A couple of weeks ago I've replaced a dimmer switch in the upstairs bathroom. Of course while working on that I shut off the electricity for that part of the ...
Ruben's user avatar
  • 123
3 votes
1 answer
10k views

Missing cap on ceiling sprinkler

I found this sprinkler head in the ceiling of my new place with a cover cap missing - later I found the cap in a drawer. How would I go about replacing this? Is there a way to attach the original ...
rgcb's user avatar
  • 133
2 votes
3 answers
10k views

Integrating hard-wired smoke detectors with fire sprinkler waterflow sensing

If you are in a house with interconnected smoke detectors (hardwired or hardwired/battery combo), can you interconnect them with the waterflow switch for a home fire sprinkler system, or do you need ...
ThreePhaseEel's user avatar
0 votes
0 answers
4k views

Could a pressurized fire sprinkler system be causing a loud sound?

Every night, we hear loud cracking sounds coming from our attic. The sounds are quite loud, and it sounds like there could be a real problem. We hear it every night, usually multiple times. It ...
Amazon Dies In Darkness's user avatar
0 votes
2 answers
2k views

Distance between Sprinkler head and Air condition system

I'm planning to add Sprinkler system in office area which have a central air condition system. Does code specify how close air condition can be to the sprinklers head? What does minimum distance ...
mame's user avatar
  • 11
1 vote
1 answer
381 views

Can I run wireless alarm sensor in same conduit as power?

I need to connect a water flow valve to my wireless alarm. I plan on connecting the water flow switch to a wireless alarm sensor Currently there is a junction box that has power running to it that ...
cykelers's user avatar
2 votes
2 answers
9k views

What are the code requirements for installing a ceiling fan alongside a fire sprinkler?

I have a fire sprinkler in my bedroom ceiling which is right in the middle. I want to install a ceiling fan. What are code requirements to follow?
Fay Durham Howard's user avatar
7 votes
2 answers
1k views

Why aren't all houses equipped with fire sprinklers?

Fire sprinklers are common in office buildings but not so common in people's houses. How come? I'm thinking of adding such a system to my house but... I don't know... maybe there is a reason for why ...
user982364's user avatar
3 votes
4 answers
80k views

How close can light fixtures be to fire sprinkler heads?

I'm planning to add several rows of fluorescent light fixtures in my garage, which has partly recessed fire sprinkler heads. Does code specify how close fixtures can be to the sprinklers? Common ...
JayL's user avatar
  • 3,398
3 votes
1 answer
316 views

How can I prevent damage to fire sprinkler heads in workshop?

My new condo has a standard heat-activated fire sprinkler system. In the living areas the sprinkler heads are completely recessed into the ceiling but unfortunately in the garage, which I also plan ...
JayL's user avatar
  • 3,398