10 votes
Accepted

Use a sink sprayer on Shabas?

From Rabbi Dovid Ribiat's The 39 Melochos (p. 378): a) Aerosol spray cans ... The Igros Moshe permits the use of aerosol cans on Shabbos because the scattering is not caused directly by blowing or ...
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  • 16.3k
10 votes
Accepted

Remote control lighting of stove?

The OU uses a system where they remotely light an oven in order for the product to be Bishul Yisrael. From the OU website Rabbi Yehuda Shain has recently developed an ingenious system whereby ...
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9 votes

Taping the Light on a Freezer

It depends on the freezer, but one approach is to just unscrew the light bulb if you can reach it. That's what my family has always done. You can leave it loosely hanging in the socket if you want to ...
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  • 8,790
7 votes
Accepted

Can I use the "Sabbath mode" on the refrigerator if it is not certified?

Unlike typical food certification, there is nothing exceptionally special about the Star-K certification of appliances. They look at the specifications and functions, and apply their Poskim's ...
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  • 31.3k
7 votes
Accepted

May I use a clean can opener previously used for non-kosher cans?

According to the OU - it may be used after they are cleaned and rinsed off. Q. The lunch area in our office has a can opener, peeler, bread-toaster (not a toaster oven), flatware, coffee mugs, ...
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6 votes
Accepted

Can I use a Keurig coffee machine if someone else has used a non-kosher "pod"?

So the issue is two fold: Do the contents of the pod forbid equipment, and does the process of brewing the coffee create an issue. I have spoken with a Rabbi who is active in Kosher certification ...
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  • 31.3k
5 votes

toveling racks from new built in wall oven

Practically speaking, no food is ever placed directly on the oven rack save for bread to be warmed or toasted. As such one can rely on Rabbi Moshe Feinstein who says in his Igros Moshe Yoreh Deah 3 ...
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  • 32.3k
5 votes

Refrigerator door and Yayin Nesech

Mishna Avoda Zara 4:10 (פרק ד - משנה י): גּוֹי שֶׁנִּמְצָא עוֹמֵד בְּצַד הַבּוֹר שֶׁל יַיִן, אִם יֶשׁ לוֹ עָלָיו מִלְוָה, אָסוּר . אֵין לוֹ עָלָיו מִלְוָה, מֻתָּר . נָפַל לַבּוֹר וְעָלָה, וּמְדָדוֹ ...
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  • 22.2k
4 votes

Remote control lighting of stove?

This is from the crcweb questions to Rav Belsky: Remote Lighting & Timers Submitted by: Rabbi Eli Gersten Some factories are located in remote areas and it is difficult for Mashgichim ...
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  • 39.8k
4 votes

Can I use a Keurig coffee machine if someone else has used a non-kosher "pod"?

An important development on this topic. The Star-K used to say Keurig machines in a work environment were ok to use, but they have revised. "There was a time when a Keurig machine dispensed only ...
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  • 131
4 votes

Can I use the Flavia coffee machine in my workplace?

It would seem to be problematic based on information from sites such as this http://www.quora.com/How-do-Flavia-machines-work It seems a pipe or needle is poked into each packet to inject the hot ...
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  • 32.3k
4 votes

Can I use the Flavia coffee machine in my workplace?

I too emailed the LBD a few months ago and never got around to updating here (apologies for the delay on my part). I asked specifically about using the machine after it has been used with a non-...
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4 votes

Prohibition against leaving a laundry machine running into shabbos?

Probably the issue is hashmaat kol (leaving a noisy device running on shabbos that is considered a profanation of it's sanctity). - https://www.naaleh.com/hashmaat-kol-noise-on-shabbat-v5n9
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  • 17.2k
4 votes

Taping the Light on a Freezer

If your freezer is anything like mine it doesn't have an actual bulb. One way round this is to use a powerful magnet which cuts the circuit without harming the freezer in anyway. The Federation Beis ...
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  • 20.2k
4 votes

Taping the Light on a Freezer

I use velcro tape. If you dry the area on both sides of the switch, you can get the tape with the hooks or loops to stick. Then, every week before Shabbos it's just a matter of attaching the other ...
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  • 32.3k
3 votes

Halachik issues with SodaStream and similar sodamakers on Shabbos (e.g. molid, hashmaas kol)

Regarding the issue of hashmaas kol, see Darkei Moshe (Orach Chaim 252, 7) who quotes a number of Rishonim who understood that hashmaas kol is prohibited only if the sound will cause people to suspect ...
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  • 1,628
3 votes
Accepted

Can I use the Flavia coffee machine in my workplace?

A comment from dmi_ provided a kashrut certificate from the London Beit Din (expires December 2016) that certifies many of the Flavia drinks, including the dairy ones excluded in the (presumably-older)...
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3 votes

Double Wrapping on Pesach

The Mishna Brura (247:1 sv. 13) And Shulchan Aruch HaRav (O.C. 247:10) both permit covering as a way of avoiding the issue of smell, which is one of the issues that the double covering is designed to ...
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  • 31.3k
3 votes

Using the SodaStream on Passover

See answer to this related question regarding the kashrut of Sodastream for Pesach. According to OU, it is permissible for Pesach use. (I can't qualify it further as my web browser is blocking me from ...
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  • 68.9k
3 votes

Using a non-kosher toaster oven

R Yitzchok Yaakov Fuchs (in his book Hakashrut, p. 665) writes Baking ovens and toaster ovens that were used for meat and dairy foods and even for prohibited foods may be used to bake or warm up ...
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  • 43.5k
3 votes
Accepted

Refilling a percolator on Yom Tov

The Federation Beis Din here in London have an incredible department called 'Fed Tech' which explores various appliances and their halachic status on Shabbos and Yomim tovim etc. Their article on urns ...
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  • 20.2k
3 votes

Making a shechiyanu and major appliances

See here The Mishna (Brachos 9:2) writes that one recites a bracha upon hearing good news, building a new house or buying new items. The Shulchan Aruch (OC 223:6) and Mishna Berura (223:13) explain ...
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  • 6,097
3 votes

Making seltzer/soda water on Shabbat or Yom Tov

Rabbi Dovid Ribiat ("The 39 Melochos" mleches makeh bpatish p. תתלב fn. 104) cites differing opinions as to whether making seltzer qualifies as the forbidden melocho of makeh b'patish (according to ...
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  • 17.2k
2 votes
Accepted

Toasters in motels / cabins

Per the OU website discussing "Kosher Food in a Non-Kosher Office" one should not use a bread toaster and should assume it is not Kosher. Q. The lunch area in our office has a can opener, peeler, ...
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2 votes

Remote control lighting of stove?

According to R' Moshe Heinemann, the Star-K's chief authority, the use such remote-control devices does not grant bishul Yisrael status, as it is not sufficiently direct: If the action that is done ...
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  • 46.8k
2 votes

Making seltzer/soda water on Shabbat or Yom Tov

ילקוט יוסף קצוש"ע אורח חיים סימן שכב - דין נולד בשבת ה. מותר לעשות מי - סודה בשבת על - ידי הכלי המיוחד לכך שנקרא "סיפולקוס" או "סודה סטרים", ואין בזה שום חשש לא של עובדין דחול, ולא משום נולד, ולא ...
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  • 39.8k
2 votes

Can one use timer to turn on platta on shabbos morning?

Your question is exactly that asked by Rabbi Cohen over at Dose of Halacha. He asks "Can I use a timer on my hotplate to heat my chicken on Shabbos for lunch?" While one mustn’t place a ...
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  • 6,097
2 votes
Accepted

Does a refrigerator ice machine need to be cleaned for Pesach?

You asked: Does a refrigerator ice machine need to be cleaned for Pesach? The Shulchan Aruch clearly states that any place where Chametz could enter needs to be checked for chametz on Bedikath-...
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2 votes

Using modern electronic devices (refrigerators, air conditioners, digital water meters) on Shabbat

The disagreement with these devices(disregarding light bulbs in fridges or fans in ovens, at the moment) is whether grama or pesik reisha d'lo neicha lei are permitted on shabbat; assuming we accept ...
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1 vote

Using the SodaStream on Passover

This page suggests that the matter is complicated and that there is halachic reason for worry unless specifics are well known. It cites a source for kashering seltzer equipment, and suggests there is ...
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  • 19.3k

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