Sisu Commercial Products Sleeptight 1500SD User Manual

Sisu Commercial Products Sleeptight 1500SD

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Sleeptight 1500SD

Rev B – Sept. 2019

OWNER’S MANUAL AND INSTRUCTIONS

COMMERCIAL PRODUCTS

5009709

Table of Contents

Questions and Answers:

H
hmorganAug 7, 2025
How to fix ignition/flame sense failure in Sisu Commercial Products Sleeptight 1500SD?
- R
  Robert ChenAug 7, 2025
  To troubleshoot ignition or flame sense failure in your Sisu Commercial Products Heater: * Ensure the gas supply is available. * Confirm the gas valve is functioning correctly. * Make sure the Low Fuel Pressure Indicator light is off. * Inspect the spark igniter for cracks or dirt. * Check the flame sensor wiring. * Verify the flame sensor is not grounded.
O
orozcojesusAug 12, 2025
What to do if Sisu Commercial Products Heater has repeated flame losses?
- A
  andrewvasquezAug 12, 2025
  If your Sisu Commercial Products Heater experiences repeated flame losses: * Check the pressure switch hose for leaks or poor connections. * Ensure there's no condensate in the pressure switch hose. * Inspect the pressure tap in the combustion blower for blockages. * Examine the induced draft blower.

Sisu Commercial Products Sleeptight 1500SD Specifications

General

Brand	Sisu Commercial Products
Model	Sleeptight 1500SD
Category	Heater
Language	English