Towel heater switch

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What are these switches that are meant to move horizontally?

---

Last time I had one was some years ago in Sweden, and it was pretty straightforward I guess. Now, in Germany, I am not sure if am taking the heater's full potential.

europe germany hotels towels

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asked 2 hours ago

gsamaras

1,75511333

add a comment | 

up vote
1
down vote

favorite

What are these switches that are meant to move horizontally?

---

Last time I had one was some years ago in Sweden, and it was pretty straightforward I guess. Now, in Germany, I am not sure if am taking the heater's full potential.

europe germany hotels towels

share|improve this question

asked 2 hours ago

gsamaras

1,75511333

add a comment | 

up vote
1
down vote

favorite

up vote
1
down vote

favorite

What are these switches that are meant to move horizontally?

---

Last time I had one was some years ago in Sweden, and it was pretty straightforward I guess. Now, in Germany, I am not sure if am taking the heater's full potential.

europe germany hotels towels

share|improve this question

asked 2 hours ago

gsamaras

1,75511333

What are these switches that are meant to move horizontally?

---

Last time I had one was some years ago in Sweden, and it was pretty straightforward I guess. Now, in Germany, I am not sure if am taking the heater's full potential.

europe germany hotels towels

europe germany hotels towels

share|improve this question

asked 2 hours ago

gsamaras

1,75511333

share|improve this question

asked 2 hours ago

gsamaras

1,75511333

share|improve this question

share|improve this question

asked 2 hours ago

gsamaras

1,75511333

asked 2 hours ago

gsamaras

1,75511333

asked 2 hours ago

gsamaras

1,75511333

1,75511333

add a comment | 

add a comment | 

1 Answer
1

active

oldest

votes

up vote
6
down vote



accepted

These are standard radiator thermostat valves. They are usually marked

• 0 — off (most thermostat valve heads don't have this setting)


• ❄ — anti-frost (usually 6°C)


• 1 — 12°C


• ☽ — energy saving (usually 14°C)


• 2 — 16°C


• 3 — 20°C


• 4 — 24°C


• 5 — 28°C

Note these are target room temperatures. Regardless at which setting you put the thermostat, if the air around the knob is significantly cooler, the heater should get so hot you couldn't touch it.

If the heater doesn't warm up sufficiently, there may be air in the system. Ask the landlord to blow it off. Also, if this is a seldom used holiday flat, the boiler may still be set to energy saving/summer. Usually, there is a thermosensor on the outside of the building so the boiler can tell the four seasons automatically but who knows what the landlord has set up.

If you have additional heaters in the room, turn them off. This will make the towel heater get warmer. You could even open a window and the thermostat will make it fight against the cold.

---

EDIT: I was told the question was about the sliders marked with a blue and a red line respectively. These are mechanical stoppers. They can be fully removed and put into another notch of the valve head. They are meant to show what are reasonable settings for this valve, and are often glued into place in public spaces, so people couldn't play with the valve setting —at least not full range—.

share|improve this answer

edited 58 mins ago

answered 1 hour ago

Janka

53527

• 
  
  
  

  
  

  
  
  
  
  
  

  
  Janka thank you for the detailed answer. However, the question was about the switches, colored in blue and red, that move horizontally (assuming vertical movement is for the thermostat vavle). If this is not clear, let me know.
  – gsamaras
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  Those red and blue switches are just mechanical stoppers for the turning. In your case, just a reminder what's reasonable. In public spaces, they are often glued into place so people cannot play with the heater setting.
  – Janka
  1 hour ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  ... and they help when changing the thermostat without looking. E.g. if you know that '3' is fine for you, you put the marker in this place and you can switch to this value with just a flick of your hand.
  – asdfex
  19 mins ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  In the US at least, removing air from a hot-water heating system is called "bleeding." It's not usually necessary to involve the landlord when bleeding a radiator. The term "blow off" denotes releasing steam from a steam boiler for any reason.
  – phoog
  18 mins ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  I found bleeding a radiator does nothing if there's no water refilled. You need access to the boiler to do that.
  – Janka
  4 mins ago
  

  
  
  
  

add a comment | 

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1 Answer
1

active

oldest

votes

1 Answer
1

active

oldest

votes

active

oldest

votes

active

oldest

votes

up vote
6
down vote



accepted

These are standard radiator thermostat valves. They are usually marked

• 0 — off (most thermostat valve heads don't have this setting)


• ❄ — anti-frost (usually 6°C)


• 1 — 12°C


• ☽ — energy saving (usually 14°C)


• 2 — 16°C


• 3 — 20°C


• 4 — 24°C


• 5 — 28°C

Note these are target room temperatures. Regardless at which setting you put the thermostat, if the air around the knob is significantly cooler, the heater should get so hot you couldn't touch it.

If the heater doesn't warm up sufficiently, there may be air in the system. Ask the landlord to blow it off. Also, if this is a seldom used holiday flat, the boiler may still be set to energy saving/summer. Usually, there is a thermosensor on the outside of the building so the boiler can tell the four seasons automatically but who knows what the landlord has set up.

If you have additional heaters in the room, turn them off. This will make the towel heater get warmer. You could even open a window and the thermostat will make it fight against the cold.

---

EDIT: I was told the question was about the sliders marked with a blue and a red line respectively. These are mechanical stoppers. They can be fully removed and put into another notch of the valve head. They are meant to show what are reasonable settings for this valve, and are often glued into place in public spaces, so people couldn't play with the valve setting —at least not full range—.

share|improve this answer

edited 58 mins ago

answered 1 hour ago

Janka

53527

• 
  
  
  

  
  

  
  
  
  
  
  

  
  Janka thank you for the detailed answer. However, the question was about the switches, colored in blue and red, that move horizontally (assuming vertical movement is for the thermostat vavle). If this is not clear, let me know.
  – gsamaras
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  Those red and blue switches are just mechanical stoppers for the turning. In your case, just a reminder what's reasonable. In public spaces, they are often glued into place so people cannot play with the heater setting.
  – Janka
  1 hour ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  ... and they help when changing the thermostat without looking. E.g. if you know that '3' is fine for you, you put the marker in this place and you can switch to this value with just a flick of your hand.
  – asdfex
  19 mins ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  In the US at least, removing air from a hot-water heating system is called "bleeding." It's not usually necessary to involve the landlord when bleeding a radiator. The term "blow off" denotes releasing steam from a steam boiler for any reason.
  – phoog
  18 mins ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  I found bleeding a radiator does nothing if there's no water refilled. You need access to the boiler to do that.
  – Janka
  4 mins ago
  

  
  
  
  

add a comment | 

up vote
6
down vote



accepted

These are standard radiator thermostat valves. They are usually marked

• 0 — off (most thermostat valve heads don't have this setting)


• ❄ — anti-frost (usually 6°C)


• 1 — 12°C


• ☽ — energy saving (usually 14°C)


• 2 — 16°C


• 3 — 20°C


• 4 — 24°C


• 5 — 28°C

Note these are target room temperatures. Regardless at which setting you put the thermostat, if the air around the knob is significantly cooler, the heater should get so hot you couldn't touch it.

If the heater doesn't warm up sufficiently, there may be air in the system. Ask the landlord to blow it off. Also, if this is a seldom used holiday flat, the boiler may still be set to energy saving/summer. Usually, there is a thermosensor on the outside of the building so the boiler can tell the four seasons automatically but who knows what the landlord has set up.

If you have additional heaters in the room, turn them off. This will make the towel heater get warmer. You could even open a window and the thermostat will make it fight against the cold.

---

EDIT: I was told the question was about the sliders marked with a blue and a red line respectively. These are mechanical stoppers. They can be fully removed and put into another notch of the valve head. They are meant to show what are reasonable settings for this valve, and are often glued into place in public spaces, so people couldn't play with the valve setting —at least not full range—.

share|improve this answer

edited 58 mins ago

answered 1 hour ago

Janka

53527

• 
  
  
  

  
  

  
  
  
  
  
  

  
  Janka thank you for the detailed answer. However, the question was about the switches, colored in blue and red, that move horizontally (assuming vertical movement is for the thermostat vavle). If this is not clear, let me know.
  – gsamaras
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  Those red and blue switches are just mechanical stoppers for the turning. In your case, just a reminder what's reasonable. In public spaces, they are often glued into place so people cannot play with the heater setting.
  – Janka
  1 hour ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  ... and they help when changing the thermostat without looking. E.g. if you know that '3' is fine for you, you put the marker in this place and you can switch to this value with just a flick of your hand.
  – asdfex
  19 mins ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  In the US at least, removing air from a hot-water heating system is called "bleeding." It's not usually necessary to involve the landlord when bleeding a radiator. The term "blow off" denotes releasing steam from a steam boiler for any reason.
  – phoog
  18 mins ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  I found bleeding a radiator does nothing if there's no water refilled. You need access to the boiler to do that.
  – Janka
  4 mins ago
  

  
  
  
  

add a comment | 

up vote
6
down vote



accepted

up vote
6
down vote



accepted

These are standard radiator thermostat valves. They are usually marked

• 0 — off (most thermostat valve heads don't have this setting)


• ❄ — anti-frost (usually 6°C)


• 1 — 12°C


• ☽ — energy saving (usually 14°C)


• 2 — 16°C


• 3 — 20°C


• 4 — 24°C


• 5 — 28°C

Note these are target room temperatures. Regardless at which setting you put the thermostat, if the air around the knob is significantly cooler, the heater should get so hot you couldn't touch it.

If the heater doesn't warm up sufficiently, there may be air in the system. Ask the landlord to blow it off. Also, if this is a seldom used holiday flat, the boiler may still be set to energy saving/summer. Usually, there is a thermosensor on the outside of the building so the boiler can tell the four seasons automatically but who knows what the landlord has set up.

If you have additional heaters in the room, turn them off. This will make the towel heater get warmer. You could even open a window and the thermostat will make it fight against the cold.

---

EDIT: I was told the question was about the sliders marked with a blue and a red line respectively. These are mechanical stoppers. They can be fully removed and put into another notch of the valve head. They are meant to show what are reasonable settings for this valve, and are often glued into place in public spaces, so people couldn't play with the valve setting —at least not full range—.

share|improve this answer

edited 58 mins ago

answered 1 hour ago

Janka

53527

These are standard radiator thermostat valves. They are usually marked

• 0 — off (most thermostat valve heads don't have this setting)


• ❄ — anti-frost (usually 6°C)


• 1 — 12°C


• ☽ — energy saving (usually 14°C)


• 2 — 16°C


• 3 — 20°C


• 4 — 24°C


• 5 — 28°C

Note these are target room temperatures. Regardless at which setting you put the thermostat, if the air around the knob is significantly cooler, the heater should get so hot you couldn't touch it.

If the heater doesn't warm up sufficiently, there may be air in the system. Ask the landlord to blow it off. Also, if this is a seldom used holiday flat, the boiler may still be set to energy saving/summer. Usually, there is a thermosensor on the outside of the building so the boiler can tell the four seasons automatically but who knows what the landlord has set up.

If you have additional heaters in the room, turn them off. This will make the towel heater get warmer. You could even open a window and the thermostat will make it fight against the cold.

---

EDIT: I was told the question was about the sliders marked with a blue and a red line respectively. These are mechanical stoppers. They can be fully removed and put into another notch of the valve head. They are meant to show what are reasonable settings for this valve, and are often glued into place in public spaces, so people couldn't play with the valve setting —at least not full range—.

share|improve this answer

edited 58 mins ago

answered 1 hour ago

Janka

53527

share|improve this answer

share|improve this answer

edited 58 mins ago

edited 58 mins ago

edited 58 mins ago

answered 1 hour ago

Janka

53527

answered 1 hour ago

Janka

53527

answered 1 hour ago

Janka

53527

53527

• 
  
  
  

  
  

  
  
  
  
  
  

  
  Janka thank you for the detailed answer. However, the question was about the switches, colored in blue and red, that move horizontally (assuming vertical movement is for the thermostat vavle). If this is not clear, let me know.
  – gsamaras
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  Those red and blue switches are just mechanical stoppers for the turning. In your case, just a reminder what's reasonable. In public spaces, they are often glued into place so people cannot play with the heater setting.
  – Janka
  1 hour ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  ... and they help when changing the thermostat without looking. E.g. if you know that '3' is fine for you, you put the marker in this place and you can switch to this value with just a flick of your hand.
  – asdfex
  19 mins ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  In the US at least, removing air from a hot-water heating system is called "bleeding." It's not usually necessary to involve the landlord when bleeding a radiator. The term "blow off" denotes releasing steam from a steam boiler for any reason.
  – phoog
  18 mins ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  I found bleeding a radiator does nothing if there's no water refilled. You need access to the boiler to do that.
  – Janka
  4 mins ago
  

  
  
  
  

add a comment | 

• 
  
  
  

  
  

  
  
  
  
  
  

  
  Janka thank you for the detailed answer. However, the question was about the switches, colored in blue and red, that move horizontally (assuming vertical movement is for the thermostat vavle). If this is not clear, let me know.
  – gsamaras
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  Those red and blue switches are just mechanical stoppers for the turning. In your case, just a reminder what's reasonable. In public spaces, they are often glued into place so people cannot play with the heater setting.
  – Janka
  1 hour ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  ... and they help when changing the thermostat without looking. E.g. if you know that '3' is fine for you, you put the marker in this place and you can switch to this value with just a flick of your hand.
  – asdfex
  19 mins ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  In the US at least, removing air from a hot-water heating system is called "bleeding." It's not usually necessary to involve the landlord when bleeding a radiator. The term "blow off" denotes releasing steam from a steam boiler for any reason.
  – phoog
  18 mins ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  I found bleeding a radiator does nothing if there's no water refilled. You need access to the boiler to do that.
  – Janka
  4 mins ago
  

  
  
  
  

Janka thank you for the detailed answer. However, the question was about the switches, colored in blue and red, that move horizontally (assuming vertical movement is for the thermostat vavle). If this is not clear, let me know.
– gsamaras
1 hour ago

Janka thank you for the detailed answer. However, the question was about the switches, colored in blue and red, that move horizontally (assuming vertical movement is for the thermostat vavle). If this is not clear, let me know.
– gsamaras
1 hour ago

Those red and blue switches are just mechanical stoppers for the turning. In your case, just a reminder what's reasonable. In public spaces, they are often glued into place so people cannot play with the heater setting.
– Janka
1 hour ago

Those red and blue switches are just mechanical stoppers for the turning. In your case, just a reminder what's reasonable. In public spaces, they are often glued into place so people cannot play with the heater setting.
– Janka
1 hour ago

... and they help when changing the thermostat without looking. E.g. if you know that '3' is fine for you, you put the marker in this place and you can switch to this value with just a flick of your hand.
– asdfex
19 mins ago

... and they help when changing the thermostat without looking. E.g. if you know that '3' is fine for you, you put the marker in this place and you can switch to this value with just a flick of your hand.
– asdfex
19 mins ago

In the US at least, removing air from a hot-water heating system is called "bleeding." It's not usually necessary to involve the landlord when bleeding a radiator. The term "blow off" denotes releasing steam from a steam boiler for any reason.
– phoog
18 mins ago

In the US at least, removing air from a hot-water heating system is called "bleeding." It's not usually necessary to involve the landlord when bleeding a radiator. The term "blow off" denotes releasing steam from a steam boiler for any reason.
– phoog
18 mins ago

I found bleeding a radiator does nothing if there's no water refilled. You need access to the boiler to do that.
– Janka
4 mins ago

I found bleeding a radiator does nothing if there's no water refilled. You need access to the boiler to do that.
– Janka
4 mins ago

add a comment | 

 

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