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Provides essential details for installation, operation, and maintenance of Laars Pennant appliances.
Explains the model number structure and how to interpret designation codes for Pennant appliances.
Details the limited warranty for Pennant appliances, including how to make claims and required information.
Provides dimensional data and required clearances for appliance installation and service access.
Specifies guidelines for locating the appliance, considering maintenance, safety, and installation environment.
Details correct horizontal distances for vent and combustion air terminals from outside walls.
Covers requirements for combustion air supply, including methods for room or ducted air intake.
Defines venting categories (I and III) and criteria for their application with Pennant appliances.
Provides guidance on locating vent and combustion air terminals for safe and effective operation.
Details requirements for gas supply line sizing, support, shutoff valves, and leak testing procedures.
Specifies requirements for hot supply piping, including system pressure and component installation.
Instructions for connecting cold water supply to the boiler's automatic fill valve.
Provides water flow rate specifications for boilers to ensure proper operation and prevent issues.
Offers guidance on freeze protection for boiler installations in areas prone to freezing.
Guidelines for hot water piping, pump-mounted unit sizing, and relief valve discharge.
Specifies water flow rates for water heaters based on water hardness to prevent scaling.
Addresses freeze protection for outdoor water heater installations and potential risks.
Details single and dual 120-volt fused supply requirements for different Pennant models.
Describes the temperature control components and field wiring panel connections.
Provides methods for connecting external staging controls like BAS or EMS to the Pennant.
Explains the burner firing sequence, including pre-purge, ignition, and stage operation.
Step-by-step guide for filling and venting the boiler system to ensure proper operation.
Covers programming the temperature control for different system types and modes.
Defines advanced programming parameters like differential, staging, and timing settings.
Details burner setup, gas pressure checks, CO2 adjustments, and high altitude calibration.
Outlines routine maintenance for system components like pumps, strainers, and venting.
Details maintenance procedures for specific appliance components like burners, filters, and gas valves.
Describes how to inspect and clean burners for debris, addressing potential combustion issues.
Provides instructions for cleaning the heat exchanger, including safety precautions for soot.
Identifies common causes of lockouts such as gas supply, poor combustion, or ignitor failure.
Addresses causes and remedies for short cycling issues in boiler and water heater applications.
Explains how improper air/fuel ratios lead to high gas consumption and how to optimize efficiency.
Provides contact information for ordering or purchasing Laars Pennant replacement parts.
Lists part numbers for sheet metal and internal components across different Pennant sizes.
General| Boiler Type | Condensing |
|---|---|
| Fuel Type | Natural Gas or Propane |
| Ignition Type | Direct Spark Ignition |
| Heat Exchanger Material | Stainless Steel |
| Venting | PVC, CPVC, or Polypropylene |
| Thermal Efficiency | Up to 96% |
| Water Content | Varies by model |
| Weight | Varies by model |
| Dimensions (H x W x D) | Varies by model |
| Vent Diameter | 2" - 4" |
| Efficiency | Up to 96% |
