Thermostats operate by sensing the temperature inside the tank and if below the temperature setting, they send power through the element, heating the water.

The temperature inside your water heater is controlled by a thermostat, and most residential water heaters are dual thermostat units. Water Heater Thermostat Testing and Replacement How a thermostat works. The differential expansion of the sensing element causes the opening of a snap- action switch in the thermostat head. Factory pre- set fixed temperature limiter, OEM adjustable or end- user adjustable control temperature. Available with single or double pole limiter or as control only. Independent non self resetting safety function. 1- pole temperature regulation and 2- pole safety limiter. I bought 2 of these direct from Cotherm and they seem to be operating fine. The Cotherm Thermostats that were originally fitted in my system were type TSE T115. 184 Fiches Cotherm Fr - TSE-TSR > DESCRIPTION Thermostat unipolaire Problem - Horstmann ElecEconomy 7 Timer and Megaflo DD145HE. It has Patented MFS technology in the stem.

This combistat has a single pole stem control and a single pole safety limiter which is manually resettable. TSDR Combination Stem Thermostat Product Code: TSD/TSDR. Type: Single pole stem control with double pole bimetal safety limiter. Cotherm - TSE 11' T115 16A 250V Immersion Thermostat TSE00187.

Satchwell Tse Thermostat Manual - satchwell tse thermostat manual qzrhh us - browse and read satchwell tse thermostat manual title type honeywell thermostat rth230b owners manual pdf honeywell commercial.

Cotherm type tse manually