36000 Btu Vs 40000 Btu Water Heater

They don t sell them.

36000 btu vs 40000 btu water heater.

It is a 30 gallon 52 000 btu s with a recovery of 43 7. Try to buy a 50 000 btu hr. Historically grill buyers were told to look for a grill that produces around 100 btus per square inch. With a giant 400 000 btu heater an average 8 x 8 spa could go from 80 degrees up to 104 degrees in about an hour.

Label does not give recovery time. Existing wh is set on the lower end of the temperature range just above the vacation setting to reduce the chance of a visitor getting. The btu input can be found on the manufacture s id plate on the. The higher the btu output of the heater the faster the heater will bring the water from pool temperature up to spa temperature.

You can t do it. The newer water heaters deliver less btu s. The btu hr input is 199 000. Now look up this value on the 70 foot line of the table.

A common input is 34 000 btus on a 40 gallon tank and 36 000 btus on a 50 gallon tank. Will a 29 gallon 32 000 btu s work for me. I ve done some research and it appears there are some models of 40 gallon rheem water heaters that are rated for 40k but they apparently don t meet the stringent low nox standards in the bay area of california. I am replacing a 30 year old water heater.

Recovery of gas fired water heaters is a function of the btu input and overall efficiency. Current wh is 19 years old and is starting to give some trouble pilot won t stay lit even after thermocouple replacement so i m getting a new water heater. Recovery of gas fired water heaters is a function of the btu input and overall efficiency. The minimum pipe size capable of carrying 263 58 cfh is a 1 pipe.

We ve now calculated the pipe sizes for. When the water heater did finally go out i remember my dad proudly replacing it with a 30 000 btu unit. The higher the btu input and efficiency the faster the recovery. The next size would be a 40 gallon 38 000 btu s or a 40 gallon 40 000 btu s.

Technically one btu is the amount of energy required to heat one pound of water by one degree fahrenheit. A common input is 34 000 btus on a 40 gallon tank and 36 000 btus on a 50 gallon tank. Smith 40 gallon rated at 40 000 btu input but the rheem unit that home depot sells is rated at only 38 000 btu. The higher the btu input and efficiency the faster the recovery.

To be standard recovery. Input ranges from about 32 000 on a 30 gallon unit to 88 000 on a 100 gallon tank. Back in the 50 s we were 7 in the house and had to limit our shower time to a maximum of 7 minutes and take navy type showers in order to allow our 20 000 btu water heater time to recover for the next person in line for the shower. Plug in these values to the formula.

If your hot water needs are greater than what a 40 000 btu hr. I have never had a problem of not having enough hot water. Lowes sells an a o. They consider 36 000 btu hr.

The temperature was not turned up very high either. Current water heater is 40 gallon 40k btu state brand wh. Nobody wants to have to turn on your spa two hours in advance just for it to warm up. Btus standing for british thermal units is a traditional way of measuring thermal output of a heating appliance.

199 000 btu hr 755 btu ft3 263 58 cfh. Or higher 50 gallon water heater from home depot.