Animals & Pet Supplies · Water Heater Parts
Dometic 91604 Water Heater Relief Valve, 150 PSI 1/2 in NPT
Dometic · sold by NVN Marine · $34.19 · in stock
The Dometic 91604 is the temperature and pressure relief valve that keeps your marine water heater safe. It's factory set to open at 150 PSI, threads in with standard 1/2 inch NPT fittings, and uses an epoxy coated probe with no gaskets to shrug off corrosion. If your old relief valve is weeping or seized, this is the direct replacement. Every pressurized water heater on a boat needs a safety valve, and the Dometic 91604 is the one that does that job. It's a temperature and pressure relief valve, factory set to open at 150 PSI. When the water inside a heater gets too hot or the system…
| Option | Price | Stock | |
|---|---|---|---|
| Default Title | $34.19 | in stock | Order via Kaupia → · Buy at NVN Marine |
Prices and stock from nvnmarine.com’s public catalog, last checked 2026-11-05 07:46 UTC. “Order via Kaupia” shows the delivered price to your zip (item + the store’s shipping + est. tax) and places the order through Kaupia with a delivery guarantee; “Buy at the store” goes to the store’s own checkout. Agents: JSON at https://api.kaupia.com/v1/product?id=kp:f348abc4-a67e-42fa-87b6-fd8680b8384b; delivered price GET /v1/quote; order with POST /v1/orders or MCP place_order.