Worked on the house with this water heater and they needed to turn down the temperature. But I could not find the dial. Help!

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I guess I've turned from plumber to salesman.
But I would be trying to sell a new water heater.

Customer is a 88 year old lady. The hot water is scalding. And her cold water in the kitchen and bathroom sinks have just a trickle/low pressure. I fear that she may scald herself.

I’m trying to help her find a local plumber.

? are you SURE there is no 'tempering valve' installed somewhere ?

if sure, check UNDER the 'aftermarket' insulation to the left of the gas valve

if NOT sure, look and look again

this unit is sooooooo old it may have a fixed temperature setting and be designed for use with a tempering valve

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"Measure Twice & Cut Once" - Retired U.A. Local 1 & 638

I probably has a pin/lever on the "thermostat", that moves up or down fot the temperature, I am not suer that they had "tempering walves" when that heater was made.

hj has spoken

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"Measure Twice & Cut Once" - Retired U.A. Local 1 & 638

But I have NOT seen the actual item so anything is a guess from the past.

@ 120,


may NOT have a thermostat

antiques were designed 'instantaneous'

a la:

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may have a flow sensor which fires it up upon demand
the tank is for storage between 'draws'


you could remove the added EXTERNAL insulation to allow more cooling between 'draws'

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"Measure Twice & Cut Once" - Retired U.A. Local 1 & 638

She's having her ancient water heater this week (or "boiler" as she calls it, replaced.) Pretty costly since new one needs to be brought up to code and it's in a cellar and won't be easy to carry out and in for the installer.