Sears Kennmore Cast Iron Hot Water Boiler Installation, Operation and Service Manual

About this manual

This manual provides detailed instructions for installing, operating, and servicing Sears Kennmore cast iron hot water boilers. It includes safety warnings, warranty information, and specifications for different boiler sizes. The document emphasizes proper installation to ensure safe operation and compliance with local codes and utility requirements.

The manual covers key components such as the gas-fired boiler unit, pilot control, aquastat, and vent damper. It also outlines maintenance procedures, including filter replacement, air supply requirements, and venting specifications. Safety precautions are highlighted, such as never venting into enclosed spaces and using soap to test for gas leaks.

What's inside

• Installation Requirements
• Operation Guidelines
• Safety Precautions
• Warranty Information
• Boiler Specifications
• Maintenance Procedures
• Ventilation and Air Supply
• Clearance Requirements

Specifications

Frequently asked questions

What is the warranty coverage for the hot water cast iron boiler?

Sears provides a limited 20-year warranty that furnishes a replacement heat exchanger if it is defective, though the user must pay for labor.

What is the maximum working pressure rating for these boilers?

These boilers are designed and tested for a maximum working pressure of 50 psi.

What is the minimum clearance required on the control side for servicing?

An 18-inch clearance is recommended on the control side for servicing.