Satchwell TWL/TWM Water Immersion Thermostat Installation Guide

This document provides specifications, installation instructions, and wiring diagrams for the Satchwell TWL (manual reset high limit) and TWM (combined control and manual reset high limit) water immersion thermostats, used in high-limit water control applications such as HWS cylinders and boilers. It details temperature ranges, contact ratings, construction features, and safety precautions for these mains-operated devices.