are thermal expansion tanks required by code?
239334
There is no requirement in the plumbing code to install a pan under a thermal expansion tank although it is recommended where leakage of the tank could cause structural damage.
1282025
The code specifically requires that water heaters be strapped or anchored to resist horizontal displacement from earthquake motion. Strapping must take place in the upper 1/3 and lower 1/3 of a tank-type water heater (not a tankless water heater).
455184
Master mixing valves are not mandated in the model plumbing codes, but it is good design practice for a constant hot water supply temperature. Domestic hot water systems are unique in that a change of equipment in one part of the system can and most likely will affect the performance of another part of the system.
953424
Re: Pex brand interchangeable?? Yes, everything interchanges except type A fittings require type A tubing since only type A tubing can be expanded for the larger diameter of type A fittings.
943322
Section 1109.2 of the International Building Code® (IBC) requires that “at least one of each type of fixture, element, control or dispenser in each accessible toilet room and bathing room shall be accessible.” It is not the intent of these provisions to require diaper changing tables.
1290335
Basic Radiator Water Volume vs BTU Output Data Cast iron radiators require about 14 liters of hot water per kW of heat output (1 KW or kilowatt = 3,412 BTUs) For North Americans, 1 gallon = 4.546 liters.
938975
The thermostat wire is sized for mechanical durability, not for current carrying capacity. Codes may require the circuit to be Class 2, 30 volts and 100 VA maximum, usually 24 volts and no more than 4 amps. It could be much less than 4 amps and most of the capacity may be required for the relays in the HVAC unit.
293468
No A/C! Advanced modern tanks like the Abrams don't have air conditioning for the crew. (Though the latest model has a "Thermal Management System" to keep the computers cool in the desert.)
540094
J-B Radiator and Plastic Tank Repair kit contains everything required for making a professional quality permanent repairs. State-of-the-art components and easy to follow instructions. Repairs cracks up to 4" in length and holes 3/8" in diameter.
22308
['Make sure you are using thecurrent version of VCDS or a fully registered version of VCDS-Lite)', 'Start your engine and make sure the coolant is up to normal running temp. ... ', 'Start VCDS or VCDS-Lite.', 'Click [Select]', 'Click [01-Engine]', 'Click [Meas.']
872225
What Is the Purpose of a Water Heater Expansion Tank? Because water will expand when heated, the excess pressure inside the water heater tank needs to be released. In the past, the expanding water in the tank would simply drain back out into the municipal water supply where it came from.
1405570
The Tygon formulation F-4040-A plastic construction is designed for use with various fuels and lubricants, including gasoline, kerosene, heating oils, cutting compounds, and glycol-based coolants. ... This plastic tubing is rated as very flexible as it bends more easily than flexible or rigid tubing.
1135454
Electronic Expansion valves are used in refrigeration systems to precisely control the flow of refrigerant into the evaporator. You can find these on everything including. VRF units.
1395413
The expansion valve removes pressure from the liquid refrigerant to allow expansion or change of state from a liquid to a vapor in the evaporator. The high-pressure liquid refrigerant entering the expansion valve is quite warm.
200800
Registered. BOVs that vent to atmosphere are illegal. They are fine if they are plumbed back into the intake system.
473021
Electric tankless units do not require any type of venting, however, they do require a substantial amount of electricity. ... Outdoor gas tankless water heaters do not require venting, however, they do require a minimum amount of space around the unit.
1323590
regarding proposed code changes to the 2012 Indiana Plumbing Code. ... The 2012 Plumbing Code adopted in December 2012, does allow for the use of the Studor type air admittance valves. It limits the number of air admittance valves to 4 on any stack vent.