SKU	Description	Price	Buy
WW4000	2 Point Plain-Lower Control Thermostat	$12.55
WW4000HL	2 Point w/High Limit - Single Element Control Thermostat	$12.50
WW4100HL	3 Point Upper - w/High Limit Thermostat	$15.10
WW4100	3 Point Plain - No High Limit	$9.50