Suburban not hot enough

Using gas or electric? If electric and only warm water, may need a new heating element.

doxiemom11 wrote:
Using gas or electric? If electric and only warm water, may need a new heating element.

T-stat controls power to element........so until t-stat reaches pre-set temp element will continue to operate, be it 20 mins or 2 hours
Besides elements work or don't work.
Scaled up elements will heat to t-stat set point just takes longer for heat to be exchanged.

dougrainer wrote:

DutchmenSport wrote:
First, check and make sure your shower is turned off at the faucets, not just the hand held shower head. Also, if you have an outside shower or faucet, make sure the same is true there too. Turn the faucets off, both of them.

This is the absolute #1 reason for warm, and not hot, water.

If that does not take care of the problem, let us know.

Absolutely wrong. I have no idea where this wives tale comes from. I have 34 years as a RV tech and have fixed HUNDREDS of warm instead of Hot problems. NEVER, in 34 years have I ever seen a outside or inside faucet with a shower head shut off and the valves open causing warm instead of Hot water. There are reasons for that, I have NEVER seen a RV shower head with a POSTIVE leak proof shut off. They ALL will drip even with the shut off button closed---THAT is a design of RV shower heads to prevent excess pressure blowing out the thin wall flexible shower hose. Since the outside shower head are NOT leak/positive shut off, IF you have left any valve OPEN, you will see the water dripping out of the area.
The Number 1 cause of this complaint is the BYPASS valves are not in the correct position. Doug

This is where I differ with you. My previous camper (Keystone) did this on both the inside and outside shower. We changed the shower head on the inside of the camper. When this happened the first time (outside shower on our maiden voyage), we called the dealer. It was Saturday morning after a disappointing Friday night with no hot water. He told us to check the outside shower. We did, and we had hot water.

I tested the same with the inside shower when we swapped out shower heads and it did the same thing. So we always made sure the faucets were always off and never had a problem again.

I guess this will remain a mystery until we take the TT out again. I checked the WH bypass valves and they were in bypass position. Since I winterized by blowing out the lines and removing the WH drain I don't know why I would have placed the valves in that position. I'm hopeful that was the problem. I plan to buy a cleaing wand anyhow. Seems like a good idea. If I still have the problem, I'll probably look at the thermostats. I'm puzzled about the shower faucet discussion. We have never shut a shower off at the head rather than at the faucets. If I understand correctly that was a concern. Thanks again for all the responses.

DutchmenSport wrote:

dougrainer wrote:

DutchmenSport wrote:
First, check and make sure your shower is turned off at the faucets, not just the hand held shower head. Also, if you have an outside shower or faucet, make sure the same is true there too. Turn the faucets off, both of them.

This is the absolute #1 reason for warm, and not hot, water.

If that does not take care of the problem, let us know.

Absolutely wrong. I have no idea where this wives tale comes from. I have 34 years as a RV tech and have fixed HUNDREDS of warm instead of Hot problems. NEVER, in 34 years have I ever seen a outside or inside faucet with a shower head shut off and the valves open causing warm instead of Hot water. There are reasons for that, I have NEVER seen a RV shower head with a POSTIVE leak proof shut off. They ALL will drip even with the shut off button closed---THAT is a design of RV shower heads to prevent excess pressure blowing out the thin wall flexible shower hose. Since the outside shower head are NOT leak/positive shut off, IF you have left any valve OPEN, you will see the water dripping out of the area.
The Number 1 cause of this complaint is the BYPASS valves are not in the correct position. Doug

This is where I differ with you. My previous camper (Keystone) did this on both the inside and outside shower. We changed the shower head on the inside of the camper. When this happened the first time (outside shower on our maiden voyage), we called the dealer. It was Saturday morning after a disappointing Friday night with no hot water. He told us to check the outside shower. We did, and we had hot water.

I tested the same with the inside shower when we swapped out shower heads and it did the same thing. So we always made sure the faucets were always off and never had a problem again.

Your's may have done that, but it is NOT the number 1 reason. Doug

dougrainer wrote:

DutchmenSport wrote:
First, check and make sure your shower is turned off at the faucets, not just the hand held shower head. Also, if you have an outside shower or faucet, make sure the same is true there too. Turn the faucets off, both of them.

This is the absolute #1 reason for warm, and not hot, water.

If that does not take care of the problem, let us know.

Absolutely wrong. I have no idea where this wives tale comes from. I have 34 years as a RV tech and have fixed HUNDREDS of warm instead of Hot problems. NEVER, in 34 years have I ever seen a outside or inside faucet with a shower head shut off and the valves open causing warm instead of Hot water. There are reasons for that, I have NEVER seen a RV shower head with a POSTIVE leak proof shut off. They ALL will drip even with the shut off button closed---THAT is a design of RV shower heads to prevent excess pressure blowing out the thin wall flexible shower hose. Since the outside shower head are NOT leak/positive shut off, IF you have left any valve OPEN, you will see the water dripping out of the area.
The Number 1 cause of this complaint is the BYPASS valves are not in the correct position. Doug

I don't know why your posting this IF you are really a tech but Dutchman is 100% right about the shower valves. If they are both on and the head is shut off you WILL get just warm water out of every other faucet. Maybe a "tech" see's different problems than an owner does. After all, this is easily fixed.
What ever the case, this same scenario is posted here dozens of times every spring and I've had it happen to myself as well.

mcoley wrote:
I guess this will remain a mystery until we take the TT out again. I checked the WH bypass valves and they were in bypass position. Since I winterized by blowing out the lines and removing the WH drain I don't know why I would have placed the valves in that position. I'm hopeful that was the problem. I plan to buy a cleaing wand anyhow. Seems like a good idea. If I still have the problem, I'll probably look at the thermostats. I'm puzzled about the shower faucet discussion. We have never shut a shower off at the head rather than at the faucets. If I understand correctly that was a concern. Thanks again for all the responses.

The WH bypass valve being open is what caused your warm water....the cold was mixing with the hot right out the hot outlet.
No mystery......problem solved.
A good cleaning is always a good idea.