RHEEM 42-100491-11 -Ruud START RELAY

START RELAY

The START RELAY (42-100491-11) is designed for RHEEM/Ruud water heater models 42HD97, 22HF97, 58WH97.

The RHEEM Ruud START RELAY relay is used to start the ignition on the heater.

RHEEM’s product description focuses on the use and benefits of the product, the first sentence states its use – “Start Relay”. The second sentence talks about the benefits: “for your safety and convenience”.

The RH42-100491-11 is a 120/240 volt Start Relay manufactured by Rheem.

The Ruud 11/2" START RELAY (42-100491-11) is used on certain models that have 24 volt and 40 volt Ruud Thermostats. The 4440896 is used with a 24 Volt Thermostat to control your Air Conditioner. The 4528802 is used with a 40 Volt Thermostat to control your Air Conditioner.

The rheem 42-100491-11 is a start control and overload relay originally manufactured in the 1980's. This relay has an adjustable upper time limit and lower time limit that can be adjusted with 2 CR1/3N cell batteries (as shown below). The rheem part number is 42-100491-11 The pink test button glows when the relay puts current through it to check if the wiring is good.

Our highly efficient, easy to install, easy to use RELAY COIL CONTROLLER is designed for replacing individual RELAY COIL units of older spilt capacitor-type air conditioning systems. Refer to the RHEEM wiring diagrams in order to find the correct replacement. If you need assistance with this, consult a qualified service person or call our Customer Service Department at 1-800-844-3583 (US and Canada) or 714-898-4955 (Elsewhere).