Human nature being what it is, wait until the first sign of water that shows up in the catch pan that the heater sits on. This is definitely time to replace the tank.
replace the water heater inlet pipe on the intake manifold on a 3800
i need to know how to replace the heater core on my 1992 s-10 pickup
I need to know how to replace a heater core in a 1992 GMC Jimmy?
ring a plumber up
To replace the TPV on a water heater a plumber will have to buy a new one. After switching off power from the mains and closing the main tap, the plumber can then replace the new TPV .
Probably more, but one way to tell, is if it's leaking and it's old Human nature being what it is, wait until the first sign of water that shows up in the catch pan that the heater sits on. This is definitely time to replace the tank.
When you want to know when your hot water heater is broken, simply run your faucet and test the water. If it's cold, the heater is broken.
If the water is dripping, I would replace it just to be safe. It doesn't cost much money.
What you have to do, is replace the heater core itself
No way to fix that - your tank is scrap.
If your modular home has a regular gas supply that is a satisfactory way to do it.
Regular insurance will not. If you just purchased the house and have warranty insurance and the water heater is listed it will.