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to 14” W.C. Pressure) 1/8” NPT Plug Tap Tee Joint Sediment Pipe Nipple Trap Cap 3” Minimum Figure 12 *A CSA/AGA certified equipment shutoff valve with 1/8” NPT tap is an acceptable alternative to test gauge connection. Purchase the CSA/AGA certified equipment shutoff valve from your dealer. IMPORTANT: Install an equipment shutoff valve in an accessible location. The equipment shutoff valve is for turning on or shutting off the gas to the appliance. Apply pipe joint sealant lightly to male threads. This will prevent excess sealant from going into pipe. Excess sealant in pipe could result in clogged heater fuel train. CAUTION: Use pipe joint sealant that is resistant to LP-Gas. Install sediment trap in supply line as shown in figure 12. Locate sediment trap where it is within reach for cleaning. A sediment trap traps moisture and contaminants. This keeps them from going into heater. If sediment trap is not installed or is installed improperly, heater may not run correctly. IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping and/or fittings. CHECKING GAS CONNECTIONS Test pressure in Excess of . psig (3.5kPa) 1. Disconnect appliance with its appliance main gas valve (control valve) and equipment shutoff valve from gas supply piping system. Pressures in excess of . psig will damage heater regulator. 2. Cap off open end of gas pipe where equipment shutoff valve was connected. 3. Pressurize supply piping system by either using compressed air or opening main gas valve on or near gas meter. 4. Check all connections and joints in gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak. 5. Correct all leaks at once. 6. Depressurize and relieve pressure in supply piping system. 7. Reconnect heater and equipment shutoff valve to gas supply. 8. Reconnected fittings must be checked for leaks in next section. Test Pressure Equal To or Less Than . psig (3.5 kPa) 1. Close equipment shutoff valve (see figure 13). 2. Pressurize supply piping system by either using compressed air or opening main gas valve on or near gas meter. 3. Check all joints from the gas meter to equipment shutoff valve (see figure 14). Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak. reduce incoming gas pressure heater regulator dam- age could occur. Install external regulator with the vent pointing down. Pointing the vent down protects it from freezing rain or sleet. CAUTION: Use only new black iron or steel pipe. Internally-tinned copper tubing may be used in cer- tain areas. Check your local codes. Use pipe of larger enough diameter to allow proper gas volume to heater. If pipe is too small, undue loss of pressure will occur. WARNING: Test all gas piping and connections for leaks after installing or servicing. Correct all leaks at once. WARNING: Never use an open flame to check for...

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