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Camco 59323 Two-Stage Horizontal RV Propane Regulator, 11" WC, 160,000 BTU/hr, 1/4" FPT x 3/8" FPT

Camco 59323 Two-Stage Horizontal RV Propane Gas Regulator, cast zinc body, 1/4" FPT inlet, 3/8" FPT outlet, CSA listed, 11" WC output
2-Stage Horizontal RV Propane Gas Regulator, 11" WC, 160K BTU
 
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Part Number: 59323
Manufacturer: Camco

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Camco CSA Listed Two-Stage Design Camco 59323 Two-Stage Horizontal RV Propane Regulator -- 11" WC / 160,000 BTU/hr

If your RV appliances are starving for consistent gas pressure -- or you're chasing a low-flame burner or an oven that won't hold temperature -- the problem is often a failing single-stage or undersized regulator. The Camco 59323 replaces it with a purpose-built two-stage design that locks output at a steady 11 inches water column (WC), handles up to 160,000 BTU per hour, and mounts horizontally directly on the coach -- exactly where most Class A, Class C, fifth-wheel, and travel trailer regulators live.

Stable Propane Pressure for Every Appliance On Board

Two-stage regulation matters in practice. A single-stage regulator tries to drop tank pressure (which varies from roughly 100 PSI on a cold day to over 200 PSI in summer heat) all the way to appliance-ready 11" WC in one step. The result is output pressure that drifts as tank pressure changes. The Camco 59323 handles that drop in two steps: the first stage reduces high tank pressure to an intermediate level, and the second stage trims that to a precise 11" WC regardless of how full the tank is or how warm the day is. The stove burner stays where you set it. The furnace lights reliably. The water heater doesn't cycle erratically.

The body is die-cast zinc -- the same material used in commercial-grade LP hardware -- resistant to corrosion and durable enough for year-round outdoor exposure on the side of a rig. The horizontal orientation keeps the vent pointed down and away from the coach skin, which is correct practice for LP regulators and required by most codes.

Two-Stage Pressure Control

Drops high tank pressure in two steps, delivering a rock-steady 11" WC output even as tank levels and ambient temperatures change.

160,000 BTU/hr Capacity

Enough throughput to simultaneously feed a furnace, range, oven, water heater, and refrigerator on a typical RV setup without starving any appliance.

Cast Zinc Body

Die-cast zinc construction resists corrosion and stands up to outdoor exposure. More durable than aluminum-bodied economy regulators under repeated freeze-thaw cycles.

CSA Listed

Certified by the Canadian Standards Association to ANSI Z21.80 / CSA 6.22. Meets code requirements for propane systems in recreational vehicles across the US and Canada.

Who This Regulator Fits

The 59323 is a direct-mount dual-cylinder or single-cylinder horizontal regulator intended for RV propane compartments where the regulator mounts between the tank POL fitting (via a pigtail or automatic changeover) and the coach gas line. Common applications include:

  • Travel trailers and fifth wheels with horizontal regulator brackets on the A-frame or front compartment
  • Class A and Class C motorhomes with side-mount propane compartments
  • Replacement for worn or leaking Camco and competitive two-stage regulators in horizontal configurations
  • Systems running a furnace, range/oven, water heater, and LP refrigerator simultaneously
Inlet and Outlet Thread Sizes Matter -- Verify Before Ordering
This regulator uses a 1/4" FPT (female pipe thread) inlet and a 3/8" FPT (female pipe thread) outlet. The inlet connects to a standard POL-to-1/4" MPT pigtail hose (sold separately). The outlet connects to the coach gas line, which is typically 3/8" OD copper or 3/8" flare -- you may need a 3/8" MPT-to-flare adapter depending on your existing plumbing. Measure or photograph your current regulator's connections before ordering.

Installation Overview

This is a horizontal-mount regulator. The vent on the regulator body must face downward during installation to allow moisture to drain and to keep debris from entering the vent. Incorrect vent orientation (facing up or sideways) is a common installation error that can cause pressure drift or regulator failure.

  • Turn off all appliances and close the tank valve before starting.
  • Disconnect the old regulator from the pigtail and coach gas line.
  • Thread the new regulator onto the pigtail inlet (1/4" MPT pigtail to 1/4" FPT inlet) -- hand tight plus 1.5 turns with a wrench using an appropriate thread sealant rated for LP gas (yellow PTFE tape or liquid sealant).
  • Connect the 3/8" FPT outlet to the coach gas supply line.
  • Open the tank valve slowly, check all connections with leak-detection solution, and test each appliance.
What Is 11" Water Column?
Water column (WC) is the standard unit used to measure low-pressure gas delivery in residential and RV appliances. 11" WC equals approximately 0.4 PSI -- the correct delivery pressure for virtually all RV LP appliances including furnaces, ranges, water heaters, and refrigerators manufactured for the North American market. This regulator holds that output regardless of inlet pressure variation.
Maintenance Tips
  • Inspect the vent opening annually for spider webs, mud dauber nests, or debris -- a blocked vent causes incorrect output pressure.
  • Check all connections with leak-detection solution (never an open flame) at least once per season and after any winterization/de-winterization cycle.
  • Replace the regulator if output pressure is inconsistent, appliances underperform, or the body shows signs of corrosion or physical damage.
  • Most RV manufacturers recommend regulator replacement every 10-15 years regardless of visible condition.
Pigtail Hose and Automatic Changeover Are NOT Included
This regulator does not include a POL pigtail hose or automatic changeover valve. If you are replacing a dual-cylinder setup and need automatic changeover, look for Camco's combination regulator units. The 59323 is a standalone two-stage pressure regulator only.

Pressure and Flow Specifications

Output Pressure11 inches water column (WC) -- approximately 0.4 PSI
Maximum Capacity160,000 BTU per hour
Regulator TypeTwo-stage (dual-stage)
Mounting OrientationHorizontal (vent must face down)

Connection Specifications

Inlet Size1/4" FPT (female pipe thread)
Outlet Size3/8" FPT (female pipe thread)
Inlet SourceConnects to standard LP pigtail with 1/4" MPT fitting (pigtail sold separately)
Outlet ConnectionConnects to coach LP supply line -- adapter may be required for flare fittings

Construction and Certifications

Body MaterialDie-cast zinc
CertificationCSA listed (ANSI Z21.80 / CSA 6.22)
WarrantyLimited 1-year manufacturer warranty

Part and Identification Numbers

Camco Part Number59323
Vendor Part Number06-0378
UPC014717593236
RV Upgrade SKU66-8711

What Is Included

IncludedCamco 59323 two-stage horizontal propane regulator (1 unit)
NOT IncludedPOL pigtail hose, automatic changeover valve, mounting hardware, thread sealant, adapter fittings

Compatibility Reference

Typical ApplicationRV propane systems: travel trailers, fifth wheels, Class A and Class C motorhomes
Appliances ServedLP furnace, range/oven, water heater, LP refrigerator (combined load up to 160,000 BTU/hr)
Tank CompatibilityStandard ACME or POL-connected LP cylinders and DOT/ASME propane tanks (via appropriate pigtail)
Important Information -- Read Before Installing
  • LP gas work carries risk of fire, explosion, and asphyxiation. If you are not experienced with propane system work, have this regulator installed by a qualified LP service technician.
  • This is a HORIZONTAL-MOUNT regulator. The vent must face downward when installed. Do not install in vertical or inverted orientation.
  • Always leak-test every connection with an approved leak-detection solution after installation. Never use an open flame to check for leaks.
  • This regulator does NOT include a pigtail hose, changeover valve, or any adapter fittings. Confirm your existing fittings match 1/4" FPT inlet and 3/8" FPT outlet before purchasing.
  • Do not attempt to adjust or disassemble the regulator internals. The factory-set output pressure is not field-adjustable.
  • Replace immediately if the body is cracked, corroded, or if output pressure is inconsistent as measured by a manometer. Do not attempt to repair a failing regulator.
  • CSA listing applies to use with LP (liquid propane) gas only. Not rated for natural gas service.
:warning: WARNING: This product can expose you to one or more chemicals known to cause cancer and/or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov


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