How to Install a Gas Water Heater
VIDEO TRANSCRIPTION
Uninstalling an Old Gas Water Heater
Gas hot water installation starts with checking the venting system. To ensure it’s working properly, turn on all gas appliances and exhaust fans, then lower the tank temperature for a few minutes. Hold an extinguished matchstick near the hood—if the smoke flows towards it, your venting is functioning correctly. If not, there may be a venting issue requiring professional assistance.
Next, use a pressure relief gauge to verify that the pressure is between 50 and 60 psi—this is vital for a safe gas hot water installation. After confirming this, turn off the gas and disconnect the gas pipe, then detach the venting system. Open a hot water faucet and let it run until the water cools. Shut off the cold water supply and drain the tank completely. Once drained, remove the discharge pipe from the Temperature and Pressure Relief (TPR) valve.
To complete the gas hot water installation, disconnect the water supply and remove the old tank, preparing the space for your new system. A safe and efficient gas hot water installation ensures reliable hot water and peace of mind.
Installing a New Heater
For a safe gas hot water installation, start by setting the unit on a drain pump and routing it to a drain in case of flooding. Install the discharge pump to the TPR (Temperature and Pressure Relief) valve, and use a flexible hose kit to connect the water lines. Be sure to use plumber’s tape on all threaded fittings to prevent leaks. If you’re in a seismic zone, install seismic straps to secure the tank to the wall as part of a compliant gas hot water installation.
Remove the aerator from the nearest faucet and open the hot side. Turn on the cold water supply and let the tank fill, checking for leaks. When the tank is full, water should flow from the faucet—let it run to purge air from the system.
Continue the gas hot water installation by attaching the venting to the exhaust hood and connecting the gas line to the control valve using a gas hose. Keep the tank’s control knob in the “off” position initially, then switch to “pilot” while pressing the ignition button. A flickering light indicates the pilot is lit. The ideal temperature is 120°F. Don’t forget to test the venting.
Finish your gas hot water installation by positioning the air filter and checking the system for leaks. Install a carbon monoxide detector near the heater to ensure safety. Once everything is set, enjoy the benefits, because nothing beats turning on a hot bath on a chilly morning before work.
Frequently Asked Questions :
- What are the steps involved in installing a gas water heater?
Steps include choosing an appropriate location, connecting the gas and water lines, ensuring proper venting, installing the temperature and pressure relief valve, and performing a final safety check. The system must be tested to ensure it’s working correctly.
- How long does it take to install a gas hot water system?
Installation typically takes 4 to 8 hours, depending on the complexity of the setup and whether the gas and water lines need to be modified. A licensed installer will complete the job following safety codes.
- What are the safety precautions for gas water heater installation?
Ensure the installation is done by a licensed professional, as incorrect gas connections can lead to leaks or explosions. Proper ventilation must be ensured to prevent the accumulation of dangerous gases like carbon monoxide. Regular testing and maintenance are also important.
- Can I install a gas water heater myself, or should I hire a professional?
It is recommended to hire a professional, as installing a gas water heater requires knowledge of plumbing, electrical systems, and safety standards. Incorrect installation can lead to safety hazards such as gas leaks or system failure.
- What costs are associated with gas water heater installation?
Costs include the price of the unit, installation fees (usually ranging from $500 to $1,500 depending on the complexity), and any necessary modifications to gas or water lines. Always request a detailed quote before proceeding with installation.
