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Rheem P-M207 - User Manual

Rheem P-M207
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B
C
INDOOR
DRAFTHOOD
31-13/16"
7-3/4"
GAS
CONNECTION
J
A
20-1/2"
26-1/2"
ELECTRICAL
CONNECTION
34"
STACKLESS
OUTDOOR TOP
28"
4-3/8"
8-7/8"
Designation for a Digital heater using propane gas is “EP”; a Digital heater using natural gas is “EN”.
Prefix “P” is for plastic (polymer) headers.
Suffix “X” is for cupro-nickel tubing; “C” is for copper Tubing
Example: P-M407A-EN-X = Plastic headers, 407 model size, digital, natural gas, cupro-nickel
For elevations above 5000 feet consult the factory.
Swimming Pool and Spa
Heating Products
Technical Data
Digital Low NOx Gas Heaters
Heater
Model
BTUH
Input
(000)
(A)
Cabinet
Width
(B)
Flue
Diameter
(C)
Indoor
Drafthood
(J)
Minimum Gas
Conn.
Water
Conn.
Shipping Weights (lbs)
w/ Polymer
Headers
and Stackless
Top
Indoor
Draft-
hood
M207A 199.5 20” 6” 55-5/8” 12” 3/4” 2” 174 12
M267A 266.0 23” 7” 56” 11-1/8” 3/4” 2” 197 15
M337A 332.5 26” 8” 57” 10-3/4” 3/4” 2” 219 17
M407A 399.0 29” 9” 58-1/2” 12-1/2” 3/4” 2” 237 20
Amp Draw
120 volt 240 volt
6 3
HEATER
CAN BE INSTALLED DIRECTLY
ON A COMBUSTIBLE
SURFACE!

Questions and Answers

  • K
    Karen GravesAug 18, 2025
    What to do if my Rheem Other heater keeps going on and off?
    • S
      stewartmarvinAug 18, 2025
      If your Rheem Other heater is turning on and off repeatedly, the issue might stem from several factors. A dirty filter could be restricting water flow, so start by cleaning or replacing it. Also, ensure the water level in your pool is adequate and adjust the external bypass setting. Finally, check and adjust the pressure switch if needed.
  • N
    Nicole Marshall MDAug 20, 2025
    Why does my Rheem Other take so long to heat the pool?
    • M
      Michael StevensAug 20, 2025
      If your Rheem Other is taking too long to heat your pool or spa, consider these potential causes. First, verify that the heater is appropriately sized for your pool by calculating its heating capacity or referring to the heater sizing chart. Ensure the filter runs for a sufficient duration by resetting the time clock. Also, a dirty filter can impede heating efficiency, so clean it. Finally, an undersized gas line or meter could be the culprit; refer to the installation instructions for guidance.
  • A
    allenfrankAug 23, 2025
    How to fix a whining noise in my Rheem Other?
    • A
      alexanderweaverAug 23, 2025
      If your Rheem Other is making harmonics or a whining noise, several factors could be responsible. The U.G. may be inoperative; check its movement by placing it in hot water (110°F or higher), and replace it if there's no movement. Debris or restrictions in the system or gas line could also be the cause; locate and remove any obstructions, flush the system, and clean the gas line. Low flow due to scale forming in the heat exchanger is another possibility; clean the heat exchanger and check the pool's pH and total alkalinity.
  • S
    Sarah HendricksAug 26, 2025
    Why is my Rheem Other producing soot?
    • M
      mossmichaelAug 26, 2025
      If your Rheem Other is experiencing sooting, several factors could be the cause. High flow rates can contribute; reduce them by adding a manual bypass valve and adjusting it until the heater outlet water temperature is between 105°F and 110°F. An inoperative U.G. may also be responsible; check its movement in hot water (110°F or higher) and replace it if necessary. Air starvation or improper venting can also lead to sooting; refer to the installation instructions for guidance. Lastly, insects or debris clogging the burner intake ports could be the issue; clean the burners to resolve this.
  • M
    Mary JohnsonAug 28, 2025
    What causes pilot outage in Rheem Other?
    • B
      Brandon OnealAug 28, 2025
      If your Rheem Other is experiencing a pilot outage or a 'Weak Flame' signal, it could be due to a few reasons. Low gas pressure might be the issue, so try adjusting the gas pressure. A restricted or dirty pilot can also cause this problem, so clean the pilot and/or electrode. If the pilot generator is weak, consider replacing it.
  • M
    Michael LynchAug 30, 2025
    How to prevent scale in Rheem Other exchanger?
    • L
      lisa91Aug 30, 2025
      If liming or scale is forming in the heat exchanger of your Rheem Other, the cause might be related to the pool water; consult the Water Chemistry guide. Also, too much water bypassing can lead to scale formation; inspect the bypass for movement and replace it if there's no movement. If the U.G. isn't functioning, replace it if it doesn't move when heated.
  • T
    Todd MurphySep 2, 2025
    Why is the flame yellow on my Rheem Other?
    • M
      Mary SilvaSep 2, 2025
      If your Rheem Other has a yellow, lazy flame, it could be due to low gas pressure; try adjusting the gas pressure. Alternatively, insects or debris might be clogging the burner intake ports, so clean the burners.
  • M
    morganorrSep 4, 2025
    What does “Fan Lockout” signal mean on Rheem Other?
    • I
      ianclarkSep 4, 2025
      If the combustion fan in your Rheem Other isn't running and you're seeing a 'Fan 5 min Delay' or 'Fan Lockout' signal, the issue could be with the fan relay; consider replacing it. The fan itself might have a loose connection or a failed motor. A burned motor due to incorrect wiring could also be the problem, in which case you should replace the blower. Finally, the air pressure switch might need replacement.
  • S
    Sandra MasonSep 7, 2025
    Why is my Rheem Other outer jacket so hot?
    • D
      Denise HallSep 7, 2025
      If the outer jacket of your Rheem Other is very hot and the paint is blistered, it could be due to a broken refractory caused by shipping damage or improper combustion; replace the refractory panels. Excessive sooting of the heat exchanger could also be the cause; determine the reason for the sooting and correct it.
  • A
    Alan SimonSep 9, 2025
    Why is my Rheem Other gasket brittle and leaking?
    • C
      Cassie HannaSep 9, 2025
      If the gasket is brittle and leaking and the Rheem Other heater continues to run after the pump shuts off, it might be due to refractory damage, so replace the refractory. Alternatively, the heater might be sooted; determine the cause of sooting and correct it.

Rheem P-M207 Specifications

General IconGeneral
Model NumberP-M207
CategorySwimming Pool Heater
Efficiency82%
Fuel TypePropane
IgnitionElectronic

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