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User manuals, setup guides, troubleshooting help, and repair information for AutoHot products.

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User Manuals, Instructions and Guides for AutoHot products.

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AutoHot GEN3 Controller Low Voltage Harness User Guide

December 26, 2025

GEN3 CONTROLLER LOW-VOLTAGE HARNESS GUIDE AutoHot Gen3 Controller Low-Voltage Harness Functions & Troubleshooting Guide Overview The AutoHot Gen3 controller uses four low-voltage harnesses for signal and device control connections. Each…

AutoHot WRK-100 Wireless Receiver Kit User Guide

December 4, 2025

AutoHot WRK-100 Wireless Receiver Kit Specifications Product Name: WRK-100 Wireless Receiver Kit Usage: Tankless Water Heater Activation Power Source: Batteries or DC Supply Signal: Wireless 'dry contact' closure Overview This…

AutoHot WT100 Wireless Temperature Sensor Instruction Manual

July 9, 2025

AutoHot WT100 Wireless Temperature Sensor Specifications Compliance: FCC Part 15 Class: Class B digital device RF Exposure Guidelines: Maintain a 20cm distance between the radiator and the body Antenna: Supplied…

AutoHot SR24A Signal Repeater User Manual

May 29, 2025

AutoHot SR24A Signal Repeater Technical Specifications Specification Details Model AutoHot SR24A Frequency 310 MHz Range Extension Up to 300 feet Power Supply 120V AC, 60 Hz Installation Plug-and-play LED Indicator…

AutoHot GEN3 Residential Demand Recirculation System Instruction Manual

May 29, 2025

INSTALLATION AND OPERATIONS MANUAL FOR SINGLE FAMILY RESIDENTIAL GEN 3 GEN3 Residential Demand Recirculation System The AutoHot Controller is the central hub for managing and optimizing the operation of water…

AutoHot WR-S-24LED Wireless LED Rocker Switch User Guide

March 9, 2025

AutoHot WR-S-24LED Wireless LED Rocker Switch Wireless LED Rocker Switch The wireless LED rocker switch controls the water pump and communicates with the controller. It features AC power, LED indicators,…

AutoHot Gen3 Controller Low-Voltage Harness Functions & Troubleshooting Guide

Troubleshooting Guide

A comprehensive guide to the AutoHot Gen3 controller's low-voltage harnesses, covering functions, typical wiring configurations, common installation mistakes, and troubleshooting steps for demand-controlled hot water recirculation systems.

AutoHot WRK-100 Wireless Receiver Kit Guide for Tankless Water Heater Activation

Guide

This guide provides instructions for the AutoHot WRK-100 Wireless Receiver Kit, enabling on-demand recirculation activation for tankless water heaters. It includes overview, safety information, standard wiring, brand-specific connection details for…

AutoHot Flange Pump vs Union Pump Installation Examples

Product overview

Explore AutoHot's demand-controlled hot water recirculation systems with installation examples comparing flange pumps and union pumps. Learn about transitioning and system setup.

AutoHot Wireless LED Rocker Switch User Manual

User Manual

User manual for the AutoHot Wireless LED Rocker Switch, detailing its features, benefits, LED status indicators, pairing procedures, and FCC compliance information. Includes installation guidance and technical specifications.

AutoHot Signal Repeater SR24A: Extend Wireless Range

Product overview

Learn about the AutoHot Signal Repeater (SR24A), its features like 450ft range and support for 20 transmitters, pairing/reset operations, and FCC compliance. Extend your device communication range.

AutoHot Wireless Temperature Sensor User Guide

user manual

This guide provides information on the AutoHot Wireless Temperature Sensor, including its features, operational behavior, power options, and function settings. It also includes FCC compliance information.