Monessen Hearth EYF18 Connecting the GAS, Flexible Tube Manual Shutoff Gas Supply Inlet Valve

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CONNECTING THE GAS

NOTICE: A qualified gas appliance installer must connect the heater to the gas supply. Consult all local codes.

CAUTION

Use new black iron or steel pipe. Internally tinned copper or copper tubing can be used per National Fuel Code, section 2.6.3, providing gas meets hydrogen sulfide limits, and where permitted by local codes. Gas piping system must be sized to provide minimum inlet pressure (Listed on Data Plate) at the maximum flow rate (BTU/Hr). Undue pressure loss will occur if the pipe is too small.

A manual shutoff valve must be installed upstream of the appliance. Union tee and plugged 1/8" NPT pressure tapping point should be installed upstream of the appliance. See Figure 13.

To Heater

Pipe Coupling

 

 

 

Valve

Pipe

 

 

Locations that the Pressure

 

 

 

 

Tapping Point May Be

 

Stainless

 

 

Flexible Tube

 

 

Manual Shutoff

Gas Supply

 

Inlet

 

Valve

 

 

Figure 13 - Gas Connection

IMPORTANT: Hold heater valve firmly with a wrench to prevent movement when connecting to inlet pipe.

CAUTION

CHECK GAS TYPE: The gas supply must be the same as stated on the heater’s rating plate. If the gas supply is different, DO NOT INSTALL THE HEATER. Contact your dealer for the correct model.

Always use an external regulator for all propane/LPG heaters and high pressure one to two-pound systems only, to

reduce the supply tank pressure to a maximum of 13" w.c. This is in addition to the internal regulator in the heater valve.

65D1009

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Contents What to do if YOU Smell GAS Unvented GAS LOG Heater or Vented Decorative ApplianceContents Owner Important Safety InformationInstaller Never connect unit to private Make Sure YOU have Received ALL Parts What YOU will Need for InstallationGetting Started PROPANE/LPG Product Features and SpecificationsNatural GAS Adequate Combustion and Ventilation AIR General Installation InformationCodes L1 = 151/2 Ft., L2 = 12 Ft., W = 12 Ft., H = 8 Ft Counter FireplaceFireplace and Hearth Dimensions Depth of fireplace/firebox Placement in a Fireplace with a Restrictive BarrierSidewall and Ceiling Clearances Clearances and Height RequirementsClearances and Height Requirements Minimum Mantel Clearance With Hood Minimum Clearance above Combustible Flooring Floor ClearanceBefore Fully Installing the Unit Installing Vented ApplicationsBefore Installing the Appliance Damper Stop InstallationAssembly Procedure Installing Vented ApplicationPlacing and Securing Appliance Horizontal Grate Bar Hooks for Screw Middle Hole for AnchorFlexible Tube Manual Shutoff Gas Supply Inlet Valve Connecting the GASTest Port OUT Checking GAS PressureNPT Test Plug Require 110 VAC to Operate Electrical Wiring MillivoltConnecting Optional Wall Switch or Thermostat Follow Instructions Supplied with the Remote Connecting Optional Remote ReceiverChecking System Operation Remote Receiver Velcro PadsInstalling EYF24-F LOG Unit on Burner LOG PlacementPlacing the Decorative Rock Top Left Log Front Log Top Right Log Main Log TabsTop Log #4 Front Log #3 Installing EYF18-R LOG SET on UnitRear Log Middle Log #2 Rear Log #1 Middle Log Installing EYF24-R or EYF30-R LOG SET on UnitFront Top Right Log #4 Log #3 Top Left Log #5Checking the Pilot Flame Flame AppearanceMillivolt Control Manual ControlOperating Instructions Checking the Burner FlamePiezo Ignitor Switch For Your Safety Read Before LightingOperating Instructions Control KnobsTo Turn OFF Heater Manual Control Lighting InstructionsMillivolt Control Lighting Instructions On/Off Switch Piezo Hi/Lo Control On/Off/Pilot ControlMatch Lighting Instructions Operating Instructions and Cleaning and ServicingCleaning and Servicing Observed Prob Possible Cause Remedy TroubleshootingODS/pilot lights, but flame Illustrated Parts Breakdown Replacement Parts are Available Through Your Retailer Replacement Parts ListEYF18-R EYF24-FCarbon Monoxide Detector Requirements Five Year Warranty Lifetime WarrantyBasic Warranty Mhsc
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EYF24, EYF18 specifications

The Monessen Hearth EYF24 and EYF18 represent a perfect blend of style, efficiency, and innovative technology in the world of vent-free gas fireplaces. Designed for homeowners who desire warmth and ambiance without the complexities of traditional fireplaces, these units stand out as reliable heating solutions.

The EYF24 and EYF18 are designed with a sleek and modern aesthetic, making them suitable for a variety of home decors. Their compact size allows for versatile installation options, making them ideal for both small spaces and larger living areas. With a focus on ease of use, both models come equipped with user-friendly controls, enabling homeowners to adjust the flame height and heat output effortlessly.

One of the standout features of these Monessen fireplaces is their vent-free technology. This allows the units to operate efficiently without the need for a chimney or flue, which means less installation cost and hassle. The design also facilitates greater flexibility in placement, as they can be installed in virtually any room. Whether you want to enhance a cozy den or add warmth to a larger gathering space, the EYF24 and EYF18 are adaptable to your needs.

Another notable characteristic is their high-efficiency rating. Both models utilize advanced burner technology that maximizes heat output while minimizing energy consumption. This capability not only ensures a comfortable indoor environment but also helps in reducing heating costs. The units are designed to generate realistic flames, creating an inviting ambiance that can be enjoyed year-round.

In terms of safety, Monessen has integrated several features into the EYF24 and EYF18. The oxygen depletion sensor (ODS) automatically shuts off the unit if oxygen levels fall below safe limits, providing peace of mind for homeowners. Additionally, the units are designed to operate quietly, allowing for an undisturbed living experience.

Customization options also abound with these models. Homeowners can select from a range of decorative media, including logs, stones, and glass, to personalize their fireplace's appearance. This flexibility ensures that each installation can be uniquely tailored to match individual tastes and home styles.

In conclusion, the Monessen Hearth EYF24 and EYF18 fireplaces are excellent choices for anyone seeking a stylish, efficient, and safe heating solution. With their modern design, vent-free technology, and user-friendly features, they offer an inviting and warm atmosphere that can enhance any home environment.