Water Heater Repair & Installation · Bay Shore · ZIP 11706
Water Heater Repair & Installation in Bay Shore, NYArea 1 Water, Mixed Housing
All Island Plumbing NY repairs and replaces gas and electric tank water heaters in Bay Shore (ZIP 11706), Town of Islip. Call (516) 360-9493. We answer calls 24/7 and are open Monday through Saturday (closed Sunday).
Smell gas? Leave the house first, then call the gas utility's emergency line or 911.
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- Serving Nassau County and western Suffolk County, Long Island, NY
- Licensed & insured across Long Island
- Answering calls 24/7 · Open Mon–Sat, closed Sunday
Bay Shore water heaters deal with iron-bearing water, a wide range of household sizes, and in the southern part of the hamlet, flood-prone basements. See also our Bay Shore page and water heater repair and installation.
What Area 1 water does to a tank
Bay Shore is in the Suffolk County Water Authority's Distribution Area 1. SCWA says groundwater there is naturally acidic, with a pH of 4.5 to 6.8, so it adds lime to raise it. Its 2026 report on 2025 water shows Area 1 iron averaging 218 micrograms per liter, with some readings above New York's 300 standard, and SCWA adds polyphosphates to keep the iron in solution. Heating the water lets some of that iron drop out in the bottom of the tank. That's where rusty hot water and a rumbling tank come from. Flushing once a year helps, and if only the hot side is discolored, the tank is the place to look.
Household size varies a lot
The Census Bureau's latest survey puts the average owner household at 3.70 people and the average renter household at 2.31, with a median of 5.3 rooms per home. A four-person house needs a heater sized for back-to-back showers; a one-bedroom apartment doesn't. We size a replacement to the people and the bathrooms, after checking whether sediment or a failed dip tube is what's really cutting your hot water.
Closets and shared heaters
With 12% townhouses and 30% of homes in buildings of three or more units, many Bay Shore heaters sit in a closet or utility room beside finished space. A drain pan piped somewhere safe and a relief-valve line that ends where it should matter more there than in a basement. In some buildings one heater serves several units; that one belongs to the building.
Low basements near the bay
By our overlay of FEMA's flood map, nearly all of Bay Shore's high-risk flood area is in the southern third of the hamlet. A heater that has been under water should stay off until it's checked; usually it has to be replaced. When we install one in a flood-prone basement, we can raise it on a stand where the venting and gas line allow.
Gas, oil and electric
The survey shows 51% of Bay Shore homes heating with utility gas, 27% with fuel oil and 16% with electricity. In oil houses the boiler often makes the hot water; converting to gas usually means a separate gas water heater and new gas piping (National Grid's Natural Gas Conversions line is 1-877-696-4743). We install gas and electric tank heaters and the gas line. We don't repair oil boilers, and we don't sell or deliver oil.
More
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Questions
Water heaters in Bay Shore: FAQ
Only our hot water is orange. Is the tank failing?
Our condo heater is in a closet. What should we check?
We're switching from oil to gas. Do we need a new water heater?
Sources:Suffolk County Water Authority, 2021 Water Distribution Area Index and 2026 Drinking Water Quality Report (Area 1 pH and lime, iron, polyphosphates); U.S. Census Bureau, ACS 2024 5-year (B25040, B25024) and B25010, B25018 from the Census Bureau summary file; FEMA National Flood Hazard Layer overlaid on the Census 2020 Bay Shore CDP boundary (Atlas, Nov. 5, 2026); National Grid, Long Island phone numbers (Natural Gas Conversions).