Crown 24 Series User Manual

■ Cast iron sectional heat exchanger
and push nipples
■ Vertical flue design
■ Easily assembled with short individual draw rods
■ Optional tankless heater for domestic hot water
■ Top or rear vent connections
■ Side clean out plates
■ Optional Return Temperature Control (RTC)
■ Sizes from 342,000 to 1,852,000 BTU/hr output
Heat exchanger constructed
and tested in accordance with
ASME Section IV standard.
Commercial, Forced Draft
Hot Water or Steam Boiler
Commercial, Forced Draft
Hot Water or Steam Boiler
For Businesses, Institutions,
Apartments and other
commercial buildings
For Businesses, Institutions,
Apartments and other
commercial buildings
Commercial Hot Water
or Steam Boiler
Commercial Hot Water
or Steam Boiler

Crown 24 Series Specifications

General

Brand	Crown
Model	24 Series
Category	Boiler
Language	English

Summary

Crown Series 24 Boiler Introduction

Key Product Features

Lists core features like cast iron construction, vertical flue, and optional RTC.

Series 24 Boiler: Key Advantages

Performance and Installation Benefits

Covers large capacity, fuel flexibility, easy assembly, and versatile venting.

Durability and Maintenance Features

Highlights cast iron construction, tankless heater option, and hassle-free maintenance.

Brand Quality and Customer Focus

Emphasizes Crown's technology, safety, and customer satisfaction.

Boiler Components and Equipment

Standard and Optional Equipment

Details standard inclusions and available optional equipment like tankless heaters.

Fuel-Specific Burner Configurations

Describes equipment for oil and gas burners, including control types.

Series 24 Dimensions and Ratings

Boiler Dimensions and Specifications

Table of dimensions, section counts, and weight for each model.

Tankless Heater Performance Data

GPM ratings for tankless heaters based on the number installed.

Burner Mounting and Adapter Plates

Beckett Adapter Plate Selection

Part numbers and dimensions for Beckett CF and CG series adapter plates.

Water Boiler Piping Recommendations: Recs 1 & 2

Recommendation 1: Constant Load Piping

For constant loads without mixing, ensuring minimum return temperature.

Recommendation 2: Primary-Secondary Piping

Isolates boiler from flow variations using a secondary circulator.

Water Boiler Piping Recommendations: Rec 3 & Steam Piping

Recommendation 3: RTC with 3-Way Valve

Uses RTC and a 3-way valve for low return temperatures and efficiency.

Steam Boiler Piping Guidelines

Details piping sizes and notes for steam boiler installations.

Series 24 Boiler Specifications and Burners

Detailed Performance Specifications

Comprehensive table of ratings, dimensions, and weights for all models.

Beckett Burner Model Compatibility

Lists compatible Beckett gas and oil burner models for each boiler.