Our Valued Sponsor
OpinionsConsumer ReviewsGuides and How TosCoffeeGeek ReviewsResourcesForums
Espresso: Espresso Machines
Solenoid Valve & Float Switch?
Cafe Solutions
Commercial sales and service, nationwide installation, equipment leasing options.
www.seattlecoffeegear.com
 
Not Logged in: Log In to Postlog in
New Topics updated topics   New Posts new posts   Unanswered Posts new unanswered  
Search Discussion Board search   Discussion Board FAQ faq   Signup sign up  
Discussions > Espresso > Machines > Solenoid Valve &...  
view previous topic | view next topic | view all topics
Author Messages
GRC123
Senior Member


Joined: 10 Dec 2009
Posts: 20
Location: Santa Barbara
Expertise: I live coffee

Posted Wed Nov 13, 2013, 7:05pm
Subject: Solenoid Valve & Float Switch?
 

I have been using a standard float valve to auto fill my reservoir but find it is temperamental. It seems I am always working on some sort of leak or another and today it failed and overfilled all over the counter & floor. So I'd like to look at using a solenoid valve with a float switch and can't seem to find any solid info on what parts to purchase. There are many many solenoid valves but I also don't want to spend a fortune for this setup. I have also tried to locate other articles in this forum and came up empty.

Has anyone ever done this before and what did you purchase?
back to top
 View Profile Link to this post
SStones
Senior Member
SStones
Joined: 24 Nov 2012
Posts: 477
Location: Canada
Expertise: Professional

Espresso: Giga 5, ECM Giotto, Rocket...
Grinder: Anfim Milano-Best
Vac Pot: No  :(
Drip: Some $30 thing from Walmart
Roaster: I buy pre-roasted.
Posted Sat Nov 16, 2013, 9:10pm
Subject: Re: Solenoid Valve & Float Switch?
 

A toilet-valve, or float valve is not an ideal set-up in a reservoir, due to the fact that the reservoirs don't have an overflow drain to prevent them from flooding your house. While you could do anything as easy as connecting the existing float to a mercury switch for electrical flood-prevention redundancy, I would suggest considering machines designed to be properly plumbed in. Some people may prefer their GPS device to be a separate entity, not a part of their car's original package. There are very good reasons to DIY on the extra features of the devices in your life, but really understanding them is a good idea if you're interested in relying on them.

If you understand how a 2-way, 120V solenoid valve and a mercury switch is an effective back-up your existing toilet-valve reservoir set-up, then you're obviously in a position to benefit from thinking of it.  Redundancy isn't a bad thing, even when you're dealing with spills as safe as cold water.
back to top
 View Profile Link to this post
calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 7,766
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Sun Nov 17, 2013, 6:57am
Subject: Re: Solenoid Valve & Float Switch?
 

Stephen did a good job of pointing out why float systems are not used on espresso machines.
On machines that DO have a tank and also have plumb in connections, either there is a bypass switch and a valve involved where you disable the tank system and switch to a hard plumbed !one where overflow can not happen or as in the case of the LA Chimbali I have, there is a 120 v valve connected to an electronic current sensing probe setup where the probes are well down the tank level and the system is fail safe so the normal state is no water flow to the tank if the sensors can conduct current through the sensors. These systems can not use too pure of water as it mist conduct current, too pure of water can not conduct.

As Stephen said above, the best thing to do is to save your money and buy a machine designed for plumb in when you are able to and live with pouring water in manually until then.

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
back to top
 View Profile Visit website Link to this post
GRC123
Senior Member


Joined: 10 Dec 2009
Posts: 20
Location: Santa Barbara
Expertise: I live coffee

Posted Tue Dec 3, 2013, 7:27pm
Subject: Re: Solenoid Valve & Float Switch?
 

Although I appreciate the sound advice, I already own my machine and am not about to go buy a new one that is equipped for direct plumbing.
After a bit more research, I ended up purchasing and installing a solenoid valve with float switch and relay from www.autotopoff.com. Paul was very helpful and responsive to my endless questions. Now, I have my water source regulated with the float and solenoid valve (normally off, fail safe), then through a mechanical float valve as backup. Works like a charm! And cheaper than buying a new $1700 machine.
back to top
 View Profile Link to this post
Coffeenoobie
Senior Member
Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,030
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Tue Dec 3, 2013, 9:45pm
Subject: Re: Solenoid Valve & Float Switch?
 

you should document your process.

 
Coffeenoobie

Buying advice: GRINDER GRINDER GRINDER. Don't cheap out on the grinder.

My coffee treasure map...
Click Here (maps.google.com)

Oscar trick out: http://s156.photobucket.com/user/GandBteam/story/14231
back to top
 View Profile Visit website Link to this post
view previous topic | view next topic | view all topics
Discussions > Espresso > Machines > Solenoid Valve &...  
New Topics updated topics   New Posts new posts   Unanswered Posts new unanswered     Search Discussion Board search   Discussion Board FAQ faq   Signup sign up  
Not Logged in: Log In to Postlog in
Discussions Quick Jump:
Symbols: New Posts= New Posts since your last visit      No New Posts= No New Posts since last visit     Go to most recent post= Newest post
Forum Rules:
No profanity, illegal acts or personal attacks will be tolerated in these discussion boards.
No commercial posting of any nature will be tolerated; only private sales by private individuals, in the "Buy and Sell" forum.
No SEO style postings will be tolerated. SEO related posts will result in immediate ban from CoffeeGeek.
No cross posting allowed - do not post your topic to more than one forum, nor repost a topic to the same forum.
Who Can Read The Forum? Anyone can read posts in these discussion boards.
Who Can Post New Topics? Any registered CoffeeGeek member can post new topics.
Who Can Post Replies? Any registered CoffeeGeek member can post replies.
Can Photos be posted? Anyone can post photos in their new topics or replies.
Who can change or delete posts? Any CoffeeGeek member can edit their own posts. Only moderators can delete posts.
Probationary Period: If you are a new signup for CoffeeGeek, you cannot promote, endorse, criticise or otherwise post an unsolicited endorsement for any company, product or service in your first five postings.
Support Coffee Kids
Coffee Kids is a non profit charity working with farming communities around the world. Donate today!
www.coffeekids.org
Home | Opinions | Consumer Reviews | Guides & How Tos | CoffeeGeek Reviews | Resources | Forums | Contact Us
CoffeeGeek.com, CoffeeGeek, and Coffee Geek, along with all associated content & images are copyright ©2000-2014 by Mark Prince, all rights reserved, unless otherwise indicated. Content, code, and images may not be reused without permission. Usage of this website signifies agreement with our Terms and Conditions. (0.34511590004)
Privacy Policy | Copyright Info | Terms and Conditions | CoffeeGeek Advertisers | RSS | Find us on Google+