Rheem - UV11698 - Therm-O-Disc Upper Thermostat Electric Water Heaters Watts_100 Pressure Regulating Filter Features Include:

Pressure Regulating Filter Features Include: 3/4 in

Metal structures

sink compatibility

11 Female Disconnects (16-14) AWG

This page resolves the legacy 2-zone versus 4-zone conflict and identifies the exact four-outlet application

Rheem - UV11698 - Therm-O-Disc Upper Thermostat Electric Water Heaters Watts_100 Pressure Regulating Filter Features Include:2 Pole High Limit Normally Open & Normally Closed Thermostat Contacts (TOD) This design is the most popular Upper Thermostat in residential electric water heaters. These heaters often have a "Non Simultaneous" design, which means only one element is on at any given time. These Thermostats are manufactured by Therm O Disc (TOD). Manufacturer: TOD Manufacturer Series: 59T 66T High Limit Control: Manual Reset High Limit Setting (F): 170 High Limit