Introduction
This manual provides essential information for the installation, operation, and maintenance of the Heatilator Heat-n-glo IPI Natural Gas Pilot Assembly, model 4021-730. This component is a replacement part designed for specific Hearth & Home gas stoves and fireplaces utilizing an Intermittent Pilot Ignition (IPI) system. It is crucial to read and understand all instructions before proceeding with any installation or service.
Image: Heatilator Heat-n-glo IPI Natural Gas Pilot Assembly 4021-730. This image displays the complete pilot assembly, including the pilot burner, igniter, and thermocouple/thermopile components.
Safety Information
WARNING:
- Installation and service must be performed by a qualified installer, service agency, or gas supplier.
- Failure to follow these instructions could result in fire or explosion, causing property damage, personal injury, or loss of life.
- Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
- What to do if you smell gas:
- Do not try to light any appliance.
- Do not touch any electrical switch; do not use any phone in your building.
- Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.
- If you cannot reach your gas supplier, call the fire department.
- This pilot assembly is for Natural Gas (NG) IPI systems only. Do not use with DSI, HSI, or standing pilot units.
Compatibility
This pilot assembly (part #4021-730, replaces 385-510A) is compatible with various Hearth & Home Technologies (HHT) gas fireplace models. It is specifically designed for Intermittent Pilot Ignition (IPI) natural gas systems. Verify your appliance's model and serial number against the list below to ensure compatibility.
Compatible Heatilator Gas Fireplaces:
- BCBR36 - Pre 14/03
- GGBR60E & GGBR60LE - Pre 33/02
- GGBR60I & GGBR60IL - Pre 12/03
- GGBR80E & GGBR80LE - Pre 33/02
- IB75 - Pre 36/02
- TITAN FI36M & FI36ML
- FI42M & FI42ML
- STIO-TWILIGHT
- TWILIGHT
Compatible Heat N Glo Gas Fireplaces:
- GATEWAY
- LCOR-HVB-IPI, LCOR-HV-IPI, L-COR-IPI
- PASSAGE
- PIER-HVB-IPI, PIER-HV-IPI, PIER-PV-IPI, PIER-TRC-IPI, PIER-TVFL-IPI
- RCOR-HVB-IPI, RCOR-HV-IPI, R-COR-TRC-IPI
- ST-42TVFL-IPI, ST-HVB-IPI, ST-HV-IPI, ST-PV-IPI, ST-TRC-IPI
- 6000TRI-IPI - Pre serial # 002324002
- 6000TR-OAK-IPI - Pre serial # 002324002
- 6000TV-OAK-IPI - Pre serial # 002324021
- 6100PLUS
- 8000TRD-IPI - Pre serial # 002324001
- 8000TVD-IPI - Pre serial # 002324001
- BE-41B-IPI
- CFX-CRESCENT - After serial # 002182991
- CFX-DA
- ESCAPE-36DV - Pre serial # 002868727
- INFINITY
- OLYMPUS
- BE-36-CIPI - Pre serial # 0021076020
- SL-550TR-IPI-C, SL-550TR-IPI-D - Pre serial # 0021076055
- SL-550TV-IPI-C, SL-550TV-IPI-D - Pre serial # 0021076055
- SL-750TR-IPI-C, SL-750TR-IPI-D - Pre serial # 0021076885
- SL-750TV-IPI-C, SL-750TV-IPI-D - Pre serial # 0021076055
- SL-950TR-IPI-C, SL-950TR-IPI-D - Pre serial # 0021076046
- SL-950TV-IPI-C, SL-950TV-IPI-D - Pre serial # 0021076046
Compatible Quadra-Fire Gas Fireplaces:
- QV-PIER-HV-IPI
- QV-ST-HV-IPI
Setup and Installation
Professional Installation Required: Due to the nature of gas appliances and the critical safety components involved, installation of this pilot assembly must be performed by a qualified and certified gas technician or service professional. Improper installation can lead to serious hazards, including gas leaks, fire, or carbon monoxide poisoning.
The following general steps are for informational purposes only and should not replace professional guidance:
- Preparation: Ensure the gas supply to the appliance is turned off and the appliance is completely cool. Disconnect electrical power if applicable.
- Access: Carefully remove any panels or components necessary to access the existing pilot assembly.
- Disconnection: Disconnect the gas line, igniter wire, and thermocouple/thermopile wires from the old pilot assembly. Note their positions for correct re-connection.
- Removal: Unmount and remove the old pilot assembly.
- Installation of New Assembly: Mount the new 4021-730 pilot assembly in the correct position.
- Connection: Reconnect the gas line, igniter wire, and thermocouple/thermopile wires to the new assembly. Ensure all connections are secure and gas lines are properly sealed.
- Leak Test: After installation, a thorough leak test must be performed on all gas connections using a non-corrosive leak detection solution.
- Testing: Restore gas and electrical power. Test the pilot ignition and main burner operation according to the appliance's specific instructions.
Refer to your specific fireplace or stove's owner's manual for detailed, model-specific installation instructions and diagrams.
Operating Instructions
The 4021-730 pilot assembly operates as part of an Intermittent Pilot Ignition (IPI) system. In an IPI system, the pilot light ignites only when the appliance is called to operate, rather than remaining constantly lit (standing pilot).
- Initiating Ignition: To start your fireplace or stove, activate the appliance using its control switch, remote control, or wall thermostat.
- Pilot Ignition Sequence: The IPI module will send a signal to the igniter, creating a spark. Simultaneously, gas will flow to the pilot burner, which will ignite from the spark.
- Flame Proving: Once the pilot flame is established, the thermocouple/thermopile within the pilot assembly senses the heat, proving the pilot flame. This signal allows the main gas valve to open.
- Main Burner Ignition: The main burner will then ignite from the established pilot flame.
- Shutdown: When the appliance is turned off, the gas supply to both the main burner and the pilot will cease, and the pilot flame will extinguish.
Always follow the operating instructions provided in your specific fireplace or stove's owner's manual for safe and correct operation.
Maintenance
Regular inspection and maintenance are crucial for the safe and efficient operation of your gas appliance and its pilot assembly. All maintenance should be performed by a qualified service technician.
- Annual Inspection: Have your entire gas appliance, including the pilot assembly, inspected annually by a qualified professional.
- Pilot Flame Check: Observe the pilot flame when it is lit. It should be a strong, steady blue flame that envelops the tip of the thermocouple/thermopile. A weak, yellow, or wavering flame may indicate a problem.
- Cleaning: Keep the pilot assembly area free from dust, lint, and debris. Blockages can affect pilot performance. Use a soft brush or compressed air (with caution) to gently clean the area, ensuring the gas supply is off.
- Component Wear: Over time, components like the thermocouple/thermopile and igniter can wear out. If the pilot frequently fails to light or stay lit, these components may need replacement.
CAUTION: Never attempt to repair or modify the pilot assembly yourself. Contact a qualified service technician for any issues beyond basic cleaning.
Troubleshooting
If your gas appliance is experiencing issues related to the pilot assembly, consider the following common problems. Always ensure the gas supply is on and the appliance is receiving power before troubleshooting.
| Problem | Possible Cause | Solution (Professional Assistance Recommended) |
|---|---|---|
| Pilot will not light. | No gas supply; faulty igniter; blocked pilot orifice; faulty IPI module. | Check gas valve. Inspect igniter for spark. Clean pilot orifice. Test IPI module. |
| Pilot lights but main burner does not ignite. | Faulty thermocouple/thermopile; main gas valve issue; faulty IPI module. | Check thermocouple/thermopile for proper flame impingement and output. Inspect main gas valve. Test IPI module. |
| Pilot lights but goes out shortly after. | Weak pilot flame; faulty thermocouple/thermopile; loose connections. | Adjust pilot flame if possible (by professional). Replace thermocouple/thermopile. Secure all connections. |
| Irregular or yellow pilot flame. | Partially blocked pilot orifice; incorrect gas pressure. | Clean pilot orifice. Verify gas pressure. |
If these steps do not resolve the issue, or if you are uncomfortable performing any checks, contact a qualified service technician.
Specifications
- Model Number: 4021-730
- Replaces Part Number: 385-510A
- Fuel Type: Natural Gas (NG)
- Ignition Type: Intermittent Pilot Ignition (IPI)
- Brand: Heatilator (OEM HHT part)
- Material: Alloy Steel
- Item Weight: 0.11 kg
- UPC: 735255592771
Warranty Information
This Heatilator Heat-n-glo IPI Natural Gas Pilot Assembly 4021-730 comes with a 90 Day Warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims. For specific terms and conditions, contact the manufacturer or your point of purchase.
Customer Support
For technical assistance, service, or to locate a qualified service professional, please contact Hearth & Home Technologies or your authorized Heatilator/Heat N Glo dealer. When contacting support, please have your appliance's model and serial number, along with the pilot assembly part number (4021-730), readily available.
You can find contact information for Hearth & Home Technologies on their official website.
