In HVAC trade, just like in any other, there are some basic rules that anyone performing the job should follow. Not because somebody wrote them down, but because there’s a reason to follow them. Many of the rules are common sense. Some must be just taken for granted, but all should be followed if you (the installer) are being paid for it. This short story is just another proof that Chicago’s new condos are rarely (if ever) inspected by the city building department inspectors. Is your gas furnace installed above the condo ceiling? Look up there, and imagine yourself crawling and performing any type of maintenance on it.
WH PVC vent pipes can be used only with power-vent /exhaust motor equipped hot water heaters also known as an induced draft gas water heaters (also CPVC and ABS but some manufacturer and local restriction may apply to all 3 types).
// Plastic vent pipe types listed below have been certified by the American Gas Association for use in furnaces classified as Category 4. These particular types of furnaces use positive pressure vent systems (exhaust gas temperature less than 1400F above the dew point temperature) and are always equipped with an induced draft motor which removes…
House plumbing vent flashing is required around the pipe at its roof surface penetration. Without it, or if improperly installed, rain water or melting snow will seep around the vent and damage the roof decking material, sometimes making its way down to the wall / ceiling surfaces inside the property. Depending on your roofing material…
Proper furnace / water heater venting is an extremely important issue, which depends on the performance of the house chimney / chimney flue or other exhaust assemblies. The conditions explained in this post also apply to the wood burning appliances.
Consequences of improperly assembled vent pipes, problematic chimney flue, deteriorating chimney walls can be sometimes fatal – fire and Carbon Monoxide poisoning are topping the list.
Therefore, combustion products from your furnace, water heater, wood burning fireplace, and any other appliance that requires some kind of an exterior vent / chimney, have to be properly properly discharged to the exterior.
Certain requirements [...]