Key facts
- Manuals
- 4
- Languages
- EN
- Last added
- 2023-10-18
Featured Weil-McLain manuals

Weil-McLain 550-100-090/0809 Gas-Fired Water Boiler Manual
This document serves as a comprehensive replacement parts manual for the Weil-McLain 550-100-090/0809 gas-fired water boiler. It details specific part numbers for various components, including jacket parts, controls, heat exchangers, and piping assemblies for different boiler models within the Ultra Series.
The guide also covers critical safety procedures, such as the requirement to securely fasten the boiler jacket front door to prevent air intake, and provides instructions for natural to propane and propane to natural gas conversions. It lists compatible chemicals and accessories, directing users to local distributors for ordering.
Covers: Replacement parts · Maintenance & specifications · Boiler accessories and controls · Vent and air terminations · Condensate handling · Jacket parts

SVF TM 750-1100 Series Advanced Manual for Multiple Boiler Installation & Settings
This document serves as an advanced manual for the Weil-McLain SVF Series 1 commercial condensing gas-fired water boilers. It is intended exclusively for qualified heating installers and service technicians. The manual covers advanced control settings, multiple boiler network installations, and specific wiring configurations.
Covers: SVF Control — Advanced mode · Multiple boiler installations · Fast-Track Setup · Field wiring · Zoning with the SVF Control · Control operation and setup

Weil-McLain WM-ODR Outdoor Reset Control Instruction Manual
The Weil-McLain WM-ODR Outdoor Reset Control is a device designed to raise or lower boiler supply water temperature based on outside sensor readings. It provides adjustable settings for maximum temperature, reset ratio, and differential to optimize energy conservation in most heating systems.
This manual covers the installation of the outdoor sensor (North side/shaded) and water supply sensor, as well as wiring configurations for Weil-McLain WMCR Circulator Zone Controllers and WMZV Zone Valve Controllers. It includes setup instructions for adjusting the reset ratio dial, max temp dial, and differential trim pot.
Covers: Hazard definitions · Specifications · Replacement parts · Outdoor sensor installation · Water supply sensor installation · Setup (Reset Ratio)

Weil-McLain CER Series 2 Electric-Hydronic Boilers Installation Instructions
This manual provides installation instructions for the Weil-McLain CER Series 2 electric-hydronic boilers. It covers pre-installation steps, including locating the boiler and mounting it to a wall or frame. The document details requirements for electrical service, ventilation clearances, and wall support structures.
Covers: Pre-installation · Locating the boiler · Mounting the boiler · Expansion tank sizing · Hydrostatic pressure test · Piping the boiler
Latest Weil-McLain manuals
Weil-McLain 550-100-090/0809 Gas-Fired Water Boiler Manual
User Manual 8 pages · 683 KB · ENThis manual provides replacement parts lists, installation instructions, and safety guidelines for the Weil-McLain 550-100-090/0809 gas-fired water boiler.
SVF TM 750-1100 Series Advanced Manual for Multiple Boiler Installation & Settings
User Manual 60 pages · 8.5 MB · ENAdvanced manual for multiple boiler installation, settings, and single boiler advanced control configurations for Weil-McLain SVF Series 1 boilers.
Weil-McLain WM-ODR Outdoor Reset Control Instruction Manual
User Manual 8 pages · 4.6 MB · ENInstruction manual for the Weil-McLain WM-ODR outdoor reset control, detailing installation, setup, and wiring for hydronic heating systems.
Weil-McLain CER Series 2 Electric-Hydronic Boilers Installation Instructions
Installation Guide 16 pages · 288 KB · ENInstallation instructions for Weil-McLain CER Series 2 electric-hydronic boilers, covering pre-installation, mounting, piping, wiring, and control systems.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Installation Guide
Mounting, wiring and first power-up. Read it before the hardware goes in.
Questions answered in Weil-McLain manuals
Where should replacement parts be purchased?
Replacement parts must be purchased through a local Weil-McLain distributor.
From: Weil-McLain 550-100-090/0809 Gas-Fired Water Boiler Manual
What is the safety requirement for the boiler front door?
The boiler front door must be securely fastened to prevent the boiler from drawing air from inside the boiler room.
From: Weil-McLain 550-100-090/0809 Gas-Fired Water Boiler Manual
Who is qualified to use this manual?
This manual must only be used by a qualified heating installer/service technician.
From: SVF TM 750-1100 Series Advanced Manual for Multiple Boiler Installation & Settings
What are the critical settings for the SVF control?
Boiler Model and Altitude are critical settings that must be set correctly to prevent injury or damage.
From: SVF TM 750-1100 Series Advanced Manual for Multiple Boiler Installation & Settings
Where should the outdoor sensor be installed?
Install on the North side or a shaded side of the building, at least 10 feet above grade.
From: Weil-McLain WM-ODR Outdoor Reset Control Instruction Manual
What is the function of the Differential setting?
It prevents quick cycling of the boiler by turning it off when water is 10°F above the control point.
From: Weil-McLain WM-ODR Outdoor Reset Control Instruction Manual
