General Description
- Model: PH-5RX (also known in some markets as PH‐5 RX)
- Manufactured by Paloma Co., Ltd., Japan.
- Small continuous‐flow (tankless) gas water heater. Designed for domestic/light commercial use.
Key Specs (Natural Gas / LNG version)
|
Parameter |
Value |
|
Gas type |
Natural Gas (sometimes labelled “LNGâ€) |
|
Water flow capacity |
≈ 5.1 liters per minute |
|
Minimum working water pressure |
~ 0.25 kgf/cm² (~2.5 kPa) |
|
Gas consumption |
~ 0.7 kg/hour (for the LPG version; natural gas version may be similar in energy equivalent)Â |
|
Dimensions |
360 × 288 × 141 mm |
|
Weight |
~ 5.2 kg  |
What to Check / Consider
- Natural Gas compatibility: Make sure your gas supply (pressure, gas quality) matches what the unit expects. Some units are designed for LNG/Natural Gas with specific fittings or nozzles.
- Water pressure: Though minimum is low, performance (especially for consistent hot water) improves with decent water pressure. If water pressure is very low, ignition might falter.
- Ventilation: Adequate ventilation is needed (for the combustion, to avoid buildup of gas / fumes).
- Maintenance: Regular cleaning of spuyer / nozzle / burner assembly and filters helps maintain efficient combustion and safety.
- Location: Indoors vs outdoors, protection from rain, etc., can affect the durability and safety.
If you want, I can get the exact model sheet (in English) for the natural gas version of PH-5RX, so you can see inlet gas pressure, installation requirements, etc. Do you want me to find that for your region?
