Water Heater Repair & Installation · Massapequa · ZIP 11758
Water Heater Repair & Installation in Massapequa, NYVery Soft District Water, Canal Basements
All Island Plumbing NY repairs and replaces gas and electric tank heaters across Massapequa (11758), Town of Oyster Bay. 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.
Call for service
Tap the button to call from your phone, or book a visit online.
Call (516) 360-9493 Book NowPrefer to type? Use Book Now — we call back to confirm.
- Serving Nassau County and western Suffolk County, Long Island, NY
- Licensed & insured across Long Island
- Answering calls 24/7 · Open Mon–Sat, closed Sunday
Three local facts: Massapequa Water District's very soft water, a 34% oil-heat share and basements that flood on canal streets. Parent: Massapequa. Service: water heater repair and installation.
Soft enough that scale is rare
District drinking-water reports list total hardness roughly 3–7 mg/L (2023) and still well under hard-water territory in later figures. Soft, treated Magothy water means anodes, dip tubes and fittings fail more often than scale crusts. Sediment still settles — flush yearly. District phone (516) 798-5266; after-hours 516-852-0196. NYSDOH inventory: 13,526 lines, 1 lead, 477 unknown.
Oil houses switching
Thirty-four percent oil; 61% utility gas. Oil boilers often make domestic hot water. National Grid conversions (1-877-696-4743) add a freestanding gas tank, gas piping and vent. We install those; we do not service oil burners. Town of Oyster Bay permits apply.
Sizing postwar colonials
Average owner household 2.99 people; median 7.3 rooms; 49% four-plus bedrooms. Many 1950s houses gained baths. Prove sediment/dip-tube issues before upsizing.
Canal-street flood placement
FEMA high-risk ~32% of the CDP south of Merrick Road (Biltmore Shores, Harbor Green, Bar Harbor). A heater that sat in salt water stays off until checked; flooded controls rarely survive. Replacements on those streets get an elevation and shutoff conversation. North of Merrick Road, standard basement installs.
Anode rods in soft water
Even at 3–7 mg/L hardness the steel tank still needs a living anode. A spent rod is the usual autopsy when a soft-water heater finally leaks.
Expansion tanks and vacuum breakers matter on district systems with check valves at the meter — we check those when we swap a tank.
Oil-to-gas jobs in 34% oil houses usually need a new gas shutoff location within sight of the heater; we place it where code and access allow.
Anode follow-up: we text when the truck is 20 minutes out so someone can open the gate or garage. Call (516) 360-9493 for massapequa water heater repair installation help Monday through Saturday; nights and Sundays someone still answers the phone.
Anode follow-up: we text when the truck is 20 minutes out so someone can open the gate or garage. Call (516) 360-9493 for massapequa water heater repair installation help Monday through Saturday; nights and Sundays someone still answers the phone.
Anode follow-up: we text when the truck is 20 minutes out so someone can open the gate or garage. Call (516) 360-9493 for massapequa water heater repair installation help Monday through Saturday; nights and Sundays someone still answers the phone.
More
More for Massapequa and nearby
Water heaters in nearby towns
Questions
Water heaters in Massapequa: FAQ
Soft water — why did it fail?
Oil conversion need a new tank?
Is our service lead?
Sources:Massapequa WD AWQR (hardness) and NYSDOH inventory NY2902837; ACS 2024 5-year (B25040, B25010, B25018, B25041); FEMA overlay (SFHA 31.5%); National Grid Natural Gas Conversions.