GAS CONNECTIONS and Gas Regulator

GAS LINE SIZING

NOTE: The Aquastar 125 HX is supplied with a gas pressure regulator that must be installed on the heater before attaching the gas supply line. See figure 4. Failure to install the gas regulator as shown in figure 4 will be a violation of CSA certification of the unit. The regulator supplied with the heater is preset for the gas shown on the rating plate to the correct pressure. It is an appliance level regulator designed for (low inlet) pressure (less than 1/2 Psig or 15” W.C.) DO NOT connect to an unregulated or high pressure propane line or to a high pressure commercial natural gas line.

GAS INLET PIPE

PRESSURE TAP

PLASTIC VENT CAP

PRESSURE REGULATOR (with directional arrow on reverse side pointing upward)

Fig. 4 - Installation of Gas Pressure Regulator

The pressure regulator provided with the heater is adjusted to deliver the proper gas pressure (as indicated on the rating plate and in the manual for altitude up to 2000 feet (660 meters) above sea level. On appliances being installed above 2000 ft (660 meters) elevation, the inlet gas pressure should be set at installation to the value shown below.

NOTE: The gas pressures specified below refer to pressures taken at the pressure tap on the gas inlet pipe just above the regulator (See Fig 4). These readings should be taken while the heater is operating at full input — i.e. maximum water flow with the temperature dial selector turned all the way clockwise.

MAXIMUM INLET GAS FLOW PRESSURE SETTING

Altitude

Natural Gas

Liquid Propane

 

inches W.C:

inches W.C:

0' - 2.000 ft

5.7"

10.5"

2.000 ft - 4.500 ft

4.6"

8.4"

Above 4.500 ft consult your local gas provider.

-It is strongly recommended that the Natural Gas pipe be Black Iron pipe the entire distance from the outside meter to the inlet of the Aquastar regulator. 1/2” Black Iron pipe up to 10 feet, 3/4” Black Iron pipe up to 40 feet and 1” Black Iron pipe up to 150 feet distances. Flex line tubing is NOT recommended, but if used then oversize it.

-It is strongly recommended that the LP Gas pipe be semi-rigid copper or Black Iron pipe from the outside regulator to the inlet of the Aquastar regulator. For semi-rigid copper piping: 5/8” up to 20 feet and 3/4” up to 60 feet distances. For Black Iron piping: 1/2” up to 45 feet and 3/4” up to 160 feet distances. Flex line tubing is NOT recommended, but if used then oversize it.

THESE FIGURES ARE FOR AQUASTAR SUPPLY ONLY, ALL OTHER APPLIANCES IN THE BUILDING WILL NEED TO BE INCLUDED IN THE PIPE SIZING.

National Fuel Gas Code requires that a sediment trap (drip leg) be installed on gas appliances not so equipped. The drip leg must be accessible and not subject to freezing conditions. Install in accordance with the recommendations of the serving gas supplier.

WARNING: The heater must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 0.5 psig.

The water heater must be isolated from the gas supply piping system by closing the manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or more than 0.5 psig.

The water heater, including the pressure regulator provided with it, must not be operated at gas supply pressures in excess of 0.5 psig. If overpressure has occurred, such as through improper testing of the gas lines or malfunction of the supply system, the gas valve and regulator must be checked for safe operation. Make sure that the regulator vent is protected against blockage.

When your connections are made, check for gas leaks at all joints (not just the ones you made). Apply some soapy water to all gas fittings and gas valve. Soap bubbles are a sign of a leak.

NOTE: Do not apply soap solution to pilot filter screen or pilot orifice area. If you have a leak, shut off the gas. After verifying that required gaskets are in place, tighten appropriate fittings to stop leak. Turn the gas on and check again with a soapy solution. Never test for gas leaks using a match or flame.

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Bosch Appliances 125HX LP GAS Line Sizing, Maximum Inlet GAS Flow Pressure Setting, Altitude Natural Gas Liquid Propane
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125HX LP specifications

The Bosch Appliances 125HX LP is an outstanding addition to any modern kitchen, exemplifying innovation and efficiency in kitchen technology. Renowned for their commitment to quality and performance, Bosch has crafted this model to meet the needs of both amateur and professional chefs.

One of the standout features of the 125HX LP is its powerful cooking capabilities. The model is equipped with a high-efficiency burner that provides intense heat for rapid cooking and precise temperature control. This is particularly beneficial when searing meats or preparing gourmet dishes, allowing users to achieve professional-grade results at home.

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In terms of user-friendly technology, Bosch has integrated advanced features such as an intuitive control panel. This panel provides clear visibility and ease of access to various cooking settings while offering precise temperature adjustments. The 125HX LP also includes an automatic ignition system, which ensures that lighting the burners is both quick and safe, reducing the risk of accidents.

Safety is a major consideration in the design of the 125HX LP. The appliance features flame failure detection which automatically shuts off the gas supply if the flame goes out, providing peace of mind during use. Additionally, the cooking surface is designed to minimize the risk of burns, making it ideal for families.

The Bosch Appliances 125HX LP stands out with its commitment to energy efficiency. The model is designed to reduce energy consumption without compromising performance, making it an eco-friendly choice for the environmentally conscious consumer.

In summary, the Bosch Appliances 125HX LP combines power, design, and safety features to deliver a superior cooking experience. With its advanced technology and user-oriented features, this model is perfect for those who prioritize functionality and style in their kitchen appliances. Whether a casual cook or a culinary enthusiast, the Bosch 125HX LP is sure to meet and exceed expectations and stand the test of time in any kitchen environment.
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