Installation Check List

A.Outdoor Water Heater Location

❑Outdoor water heaters must be installed outdoors.

❑Protected from freezing temperatures.

B.Indoor Water Heater Location

❑Close to area of vent termination.

❑Indoors and protected from freezing temperatures.

C.Outdoor and Indoor Water Heater Location

❑Proper clearance from combustible surfaces observed.

❑Sufficient fresh air supply for proper operation of water heater.

❑Air supply free of corrosive elements and flammable vapors.

❑Provisions made to protect area from water damage.

❑Sufficient room to service heater.

❑Combustible materials, such as clothing, cleaning materials, rags, etc. clear of the heater and

vent piping.

❑Water heater is properly attached to the wall.

D.Water Supply

❑Water supply has sufficient pressure.

❑Air purged from water heater and piping.

❑Water connections tight and free of leaks.

❑Water filter is clean and in place.

❑Materials used are as instructed in this manual.

❑Water pipes are insulated and protected from freezing.

E.Gas Supply

❑Gas type matches rating plate.

❑Gas supply pressure is sufficient for the water heater.

❑Gas line equipped with shut-off valve, union and sediment trap.

❑Approved pipe joint compound used.

❑Soap and water solution used to check all connections and fittings for possible gas leak.

❑Gas Company inspected installation (if required).

F.Relief Valve

❑Pressure Relief Valve properly installed and discharge line run to open drain.

❑Discharge line protected from freezing.

G.Venting (Indoor Water Heaters Only)

❑Vent pipe material should be category III and meet UL1738 in US and ULC S636 in Canada.

❑Vent connector(s) pitched (1/4” per foot of length minimum) DOWNWARD or UPWARD to termination. If UPWARD, a condensate trap must be installed close to the heater. See page 14.

❑Vent connector(s) securely fastened together with high temperature silicone (500°F [260°C]) and air-tight.

❑All vent runs are properly supported.

❑Vent terminal is properly installed.

❑Sufficient combustion air is available.

❑Maximum and minimum vent lengths are observed.

H.Electrical Wiring

❑Voltage matches rating plate.

❑Water heater is properly grounded.

❑Supply cord and/or wiring meets all local codes.

RUTG2-42(PVN)(PVP), RUTG2-53-(PVN)(PVP)(XN)(XP), RTG2-53-(PVN)(PVP)(XN)(XP), PH-16(FISN)(FISP), RMTG2-53-(PVN)(PVP)(XN)(XP) specifications

Rheem’s innovative line of tankless water heaters, including the PTG2-42(PVN)(PVP), RTG2-42(PVN)(PVP), PH20R-(IFSN)(IFSP)(OFN)(OFP), RMTG2-42(PVN)(PVP), and RMTG2-53-(PVN)(PVP)(XN)(XP), represents a significant advancement in residential and commercial water heating technologies. These models are designed to deliver hot water on demand, ensuring efficiency and convenience while minimizing energy consumption.

One of the standout features of these Rheem models is their energy efficiency. Employing advanced condensing technology, they are capable of converting up to 98% of the energy consumed into hot water. This impressive efficiency reduces utility bills and makes them an environmentally friendly choice compared to traditional tank water heaters.

The PTG2 and RTG2 series are particularly versatile, accommodating various installation needs. Their compact design allows for both indoor and outdoor installation, making them ideal for homes with limited space. Additionally, they are equipped with a multiple venting option, which provides flexibility in installation locations.

The PH20R series incorporates Rheem’s proprietary modeling and simulation technologies to optimize performance. These models feature enhanced safety functions and user-friendly digital controls, allowing homeowners to easily set and monitor their water temperatures. The ease of use extends to maintenance as well, as many components are accessible for routine checks and cleaning.

Another significant advantage of the RMTG2 models is their integrated Wi-Fi connectivity, enabling users to manage their water heating systems remotely through Rheem’s mobile app. This smart technology provides real-time data, alerts, and allows for temperature adjustments, ensuring that users always have hot water when they need it.

Rheem’s tankless water heaters also boast a robust warranty, a testament to their durability and reliability. With options that cater to various household sizes and hot water needs, these models can provide continuous hot water for homes with multiple bathrooms and heavy consumption.

For those seeking cost-effective, efficient, and smart water heating solutions, the Rheem PTG2, RTG2, PH20R, RMTG2-42, and RMTG2-53 series stand out as top contenders in the market. Their combination of advanced technology, energy savings, and user-friendly features position them as industry leaders, providing long-term benefits for any homeowner.