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PrecisionTemp ShowerMate M-550 EC Natural Gas Tankless Water Heater

$1,450.00
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Overview — PrecisionTemp ShowerMate M-550 EC Natural Gas Tankless Water Heater

The ShowerMate M-550 EC is perfect for the boater who doesn't want to leave the comforts of home behind when on the high seas.

  • Endless hot water, on-demand
  • Designed specifically for the marine environment
  • Weight 30.5
  • Dimensions 13.5” Wide x 13.5” deep x 14.5” High , including power vent
  • No pilot light for safety and insurable
  • Straightforward installation.
  • Reliable, proven VariFlame technology control system
  • Complies to ABYC recommendations as an attended appliance when installed per instructions

Resources — PrecisionTemp ShowerMate M-550 EC Natural Gas Tankless Water Heater

Documents — PrecisionTemp ShowerMate M-550 EC Natural Gas Tankless Water Heater

🤖 Operating Instructions

Videos — PrecisionTemp ShowerMate M-550 EC Natural Gas Tankless Water Heater

🎥 Precision Temp Installation

Warranty — PrecisionTemp ShowerMate M-550 EC Natural Gas Tankless Water Heater

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Includes all applicable Manufacturer Warranties

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Features — PrecisionTemp ShowerMate M-550 EC Natural Gas Tankless Water Heater

  • The PrecisionTemp ShowerMate M-550 EC tankless, marine water heater utilizes our patented VariFlame Control technology to deliver an endless flow of hot water for the ultimate marine shower.

  • The Proof is in the POWER

    With 55,000 BTUs—the highest hot water output in the industry—and built-in freeze protection, the M-550 EC delivers on-demand, continuous hot water—all without using engine or shore power.

  • Quiet and Efficient

    For the same amount of natural gas, the M-550 EC produces more hot water than a traditional water heater.

Specs — PrecisionTemp ShowerMate M-550 EC Natural Gas Tankless Water Heater

Type Gas instantaneous, power vented. Full gas modulation temperature control.
Dimensions 13.5″ Wide x 13.5″ Deep x 14.5″ High, including power vent.
Weight 30.5 pounds full.
Hook-ups Electric: 18-2 x 2′ lead. Gas: Brass 3/8″ flare inside case, rear accessible.Water: 1/2″ OD copper tubing.Brass compression to 1/2″ NPT elbow can be installed or as specified.
Capacity 55,000 BTU input – 44,000 BTU output at maximum burn at 3.5; WCI manifold pressure. (88°F temperature rise per gallon per minute continuous flow at high burn).
Fuel Consumption 2.55 lbs per hour at maximum input. (At 2 GPM of water, 20 lbs of natural gas will produce over 940 gallons of hot water).
Mounting Floor mounted flanges (included)
Clearances Zero clearance top (blower), bottom and sides. 2″ in back for hook-ups. Enough space in front to remove cover for service.
Venting 2” power vent with proofing switch. (2” stainless flex duct recommended to the outside, and can run up to 15′).
Construction Modular: Three assemblies; gas, electronics and water. Burner: High primary air, 12 element, atmospheric type.Aluminized steel body with stainless flame strips.Heat exchanger: Copper fin tube type with wrap for cooling.Electronics: Plug in, potted, works-in-a-drawer.Burner and flue assembly are stainless steel.
Fuel Natural Gas @ 3.5 WCI
Power Burner: 12 element high primary air, atmospheric type with stainless steel construction.Orifices: Brass # 58 x 12.Gas Valve: Redundant solenoid with integral regulator.
Water Temperature Adjustable
Mounting Mounting flanges included. Must be mounted in accordance with any applicable Coast Guard and ABYC recommendations. As an attended applicance.
Safety Features The ShowerMate is pilotless. There is no flame unless water flow is sensed.Flame rectification: Gas valve shuts off in .8 of a second if there is a flame outage.Redundant gas solenoid.Electronic high temperature shut-off (2).ECO high temperature shut off @ 165°F with manual reset.Pressure relief valve at 100 PSI.Power vent must proof fluing before gas valve opens.
Disclaimer Due to continuous product improvement, PrecisionTemp reserves the right to change specifications at any time.

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